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Internet Message Format | 1988-07-27 | 46.6 KB

From: Bill Mccauley To: David Weiser Msg #2, Jul-15-88 02:24pm Subject: Re: Sn1987a You have to go south of the equator a few hundred miles. Cancun or Jamica won't cut it. Bill --- TBBS v2.0 * Origin: The Records Department TBBS - Pleasanton, CA (415) 426-0470 (161/42) SEEN-BY: 1/315 104/0 20 29 30 45 312 413 610 801 904 106/108 107/102 109/635 SEEN-BY: 114/9 13 20 100 128/13 22 32 130/12 138/49 151/103 161/2 42 300/3 SEEN-BY: 301/2 From: Rick Ellis To: Dennis Gaughan Msg #3, Jul-15-88 01:11am Subject: Re: Who Goes There? DG> In case this message is picked up, would there be any DG>interest in the news flashes we post here at NOVAC? There certainly is! --- * Origin: HOMER -- Home of the `Universal' Remote Control (Opus 1:102/161) SEEN-BY: 1/217 10/0 13/9 102/130 138 139 161 450 522 732 742 831 931 103/501 SEEN-BY: 103/504 506 507 710 105/16 114/9 13 20 100 128/13 22 32 134/24 SEEN-BY: 138/49 52 101 153/703 202/205 300/3 301/2 343/111 344/0 From: Jim Hyatt To: Jim Vannuland Msg #4, Jul-16-88 01:30am Subject: Star Party July 16 Greetings Jim, I would LOVE to join you...I might be a little late!!! <GRIN> jim --- TCOMMail "RoutEcho" .95a * Origin: ~~ The East Bay X-Change ~~ Home of "TCOMMail" ~~ (TComm 1:372/888) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/221 372/2 7 10 888 SEEN-BY: 382/1 From: Jim Hyatt To: Paul Smith Msg #5, Jul-16-88 01:33am Subject: Luna Greetings Paul, Looking at the moon wrong...the 'wrong' way according to legend is to look at the moon, particularly, the full or new moon OVER YOUR LEFT SHOULDER!!! Imagine that!!! jim ps...I NEVER do!!! --- TCOMMail "RoutEcho" .95a * Origin: ~~ The East Bay X-Change ~~ Home of "TCOMMail" ~~ (TComm 1:372/888) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/221 372/2 7 10 888 SEEN-BY: 382/1 From: Jim Hyatt To: Mark Bennett Msg #6, Jul-15-88 12:16am Subject: Telescope Greetings Mark, I, too, am new to the field and and suddenly inundated with a wholenew technology with its own terminology. (MERCY!!! That's a lot of...ologies!) My friend has a 10.1" Newtonian. [reflector] I have seen someamazing sights! ***> OK you knowledgable people...check this out and seeif I have a correct understanding of this... the greater the lightgathering ability the BETTER...the bigger the lens/mirror/dish/etc theBETTER?jim --- TCOMMail "RoutEcho" .95a * Origin: ~~ The East Bay X-Change ~~ Home of "TCOMMail" ~~ (TComm 1:372/888) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/221 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/221 372/2 7 10 888 SEEN-BY: 382/1 From: John Mood To: Mark Bennett Msg #7, Jul-15-88 04:12am Subject: Telescope > visual magnitude. What should I be able to see with it, and > where ? I'm begging for help - I love star gazing but not > very apt at it yet. MB You should be able to see LOTS of STARS! I'm not the resident expert here at The Humor Hotel. Perhaps you'd best ask Jim Hyatt, HE has the scoop! John--- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 SEEN-BY: 114/9 13 20 100 123/2 12 128/13 22 132/101 134/24 135/11 SEEN-BY: 137/12 138/49 52 101 150/3 153/703 157/200 161/2 170/221 SEEN-BY: 170/999 202/205 227/1 300/3 301/2 343/111 344/0 364/100 SEEN-BY: 366/221 372/2 7 10 888 382/1 From: Ben Thornton To: Scott Berger Msg #8, Jul-15-88 08:32am Subject: Re: More On Anti-Matter > With the little cosmology I have been taught, the idea > of universal parity is a major concept. Just as there > are known anti- forms of sub atomic particles, why should > the photon be any different, after all isn't it just another > particle with a specific mass and charge like other particles > such as protons, electons, quarks, etc. OK, now let me sort through all of this. If, as you say, photons are 'just another particle', then how come it BEHAVES so differently from any other. I admit that it is very convenient to think of light and energy as consisting of little bundles of energy called photons because of the way it fits into the theories on quantum mechanics, etc. BUT...I think it is carrying the theme a bit far to just lump them into the same category as other particles. For one thing, as Rick Ellis pointed out, it is difficult to observe the collision of photons. For another, photons exhibit a wavelength based on their "energy level." Moreover, several other folks on this echo feel that there is no need to think of the existence of anti-photons. Where is the universal parity? Why even attempt to consider photons as 'just another particle', when the properties of said particle are not even CLOSE to those of other subatomic particles? --- * Origin: The Antenna Farm - Ham Radio in Austin, TX (Opus 1:382/40) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 136/213 SEEN-BY: 136/601 137/12 138/49 52 101 150/3 153/703 157/200 161/2 170/221 SEEN-BY: 170/999 202/205 227/1 300/3 301/2 343/111 344/0 364/100 366/221 SEEN-BY: 372/888 382/1 9 17 40 43 From: Jim Hyatt Of 372/888 To: Mark Bennett Msg #9, Jul-15-88 12:16am Subject: Telescope Greetings Mark, I, too, am new to the field and and suddenly inundated with a whole new technology with its own terminology. (MERCY!!! That's a lot of ...ologies!) My friend has a 10.1" Newtonian. [reflector] I have seen some amazing sights! ***> OK you knowledgable people...check this out and see if I have a correct understanding of this... the greater the light gathering ability the BETTER...the bigger the lens/mirror/dish/etc the BETTER? jim --- ConfMail V3.31 * Origin: Keep It Simple BBS | Opus/Binkley HST | Charleston,SC (1:372/2) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/221 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/221 372/0 2 7 10 888 SEEN-BY: 382/1 From: Geoff Kennedy To: David Weiser Msg #10, Jul-15-88 09:33pm Subject: Re: SN1987a The coordinates for 1987a are: R.A. - 05h 35m Dec -69 16 It is not a summertime object (Sun's R.A. in August is from 9h to 10h 30m-ish, but it may be possible if you are far enough south. I'm not sure of the latitude to which you are going, but methinks that it would be difficult, at best. --- * Origin: PCalgary (Opus 0:134/11) SEEN-BY: 1/217 103/501 105/16 114/9 13 20 100 128/13 22 32 134/11 19 24 SEEN-BY: 138/49 52 101 153/703 300/3 301/2 343/111 344/0 From: Geoff Kennedy To: Jim Hyatt Msg #11, Jul-15-88 09:43pm Subject: Re: Sn! If it the same one I saw last October - about SN 1987A - then it is called "The Death of a Star". --- * Origin: PCalgary (Opus 0:134/11) SEEN-BY: 1/217 103/501 105/16 114/9 13 20 100 128/13 22 32 134/11 19 24 SEEN-BY: 138/49 52 101 153/703 300/3 301/2 343/111 344/0 From: Rick Ellis To: Jim Grubs, W8GRT Msg #12, Jul-15-88 02:57pm Subject: Re: Moonbounce JGW>I am involved in a project which involves investigating the possibility JGW> of relaying computer data from point to point by reflection JGW>of laser beams from the ruby reflector left on the moon by the JGW>Apollo missions. Anyone know if this is possible using amateur JGW>telescopes for the optics?? The reflector left on the moon is a retro-reflector. That means it send the light back where it came from. How much power are you planning to use for the laser? It seems to me it would have to be high powered which would present safety problems. --- * Origin: HOMER -- Home of the `Universal' Remote Control (Opus 1:102/161) SEEN-BY: 1/217 10/0 13/9 102/130 138 139 161 450 522 732 742 831 931 103/501 SEEN-BY: 103/504 506 507 710 105/16 114/9 13 20 100 128/13 22 32 134/24 SEEN-BY: 138/49 52 101 153/703 202/205 300/3 301/2 343/111 344/0 From: Joseph Fedock To: David Rice Msg #13, Jul-14-88 12:45pm Subject: Re: Equinox Which one, spring or autumn? --- TBBS v2.0 * Origin: Scooter's Scientific - Phila, PA (150/615) SEEN-BY: 1/217 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 13 SEEN-BY: 114/20 100 123/2 128/13 22 32 132/101 134/24 138/49 52 101 150/3 SEEN-BY: 150/190 301 401 603 615 701 718 814 153/703 157/200 161/2 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 From: Joseph Fedock To: Wayne Schwartz Msg #14, Jul-14-88 01:48pm Subject: Re: Neptune Neptune is about 12 degrees almost due East of Saturn. Saturn is easily found in Sagitarius, which is on your local meridian about midnight. Neptune is at 8th magnitude. If you want to find Neptune, I can give you coordinates. Also suggest you use the finder chart in January 1988 Sky and Telescope. --- TBBS v2.0 * Origin: Scooter's Scientific - Phila, PA (150/615) SEEN-BY: 1/217 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 13 SEEN-BY: 114/20 100 123/2 128/13 22 32 132/101 134/24 138/49 52 101 150/3 SEEN-BY: 150/190 301 401 603 615 701 718 814 153/703 157/200 161/2 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 From: Fred Mcgalliard To: Scott Berger Msg #15, Jul-14-88 02:36pm Subject: Re: More On Anti-Matter Photons do not have rest mass or charge. The subatomic particles generally have rest mass and most have charge, spin and a few other characteristics.l A spin up electron could be regarded as an anti particle to the spin down electron, at least in spin space, but they do not annialate each other. It is interesting that charged particles do. --- TBBS v2.0 * Origin: Scooter's Scientific - Phila, PA (150/615) SEEN-BY: 1/217 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 13 SEEN-BY: 114/20 100 123/2 128/13 22 32 132/101 134/24 138/49 52 101 150/3 SEEN-BY: 150/190 301 401 603 615 701 718 814 153/703 157/200 161/2 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 From: Scott Berger To: Fred Mcgalliard Msg #16, Jul-14-88 09:20pm Subject: Re: More On Anti-Matter I do not wish to argue semantics but all things that exist, are in the form of matter/energy. Einstein (yes, I bring him up) said that all forms of energy have mass. Most notibly the gravitron, which transmits the form of energy known as gravity, has mass and is affected by gravity itself. This is commonly refered to as the incest of gravitrons. Scott. --- TBBS v2.0 * Origin: Scooter's Scientific - Phila, PA (150/615) SEEN-BY: 1/217 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 13 SEEN-BY: 114/20 100 123/2 128/13 22 32 132/101 134/24 138/49 52 101 150/3 SEEN-BY: 150/190 301 401 603 615 701 718 814 153/703 157/200 161/2 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 From: John Abolins To: Bob Calhoon Msg #17, Jul-15-88 12:39pm Subject: Re: O-Zone Thank you. Although I got quite a few irons in the fire, sometime should be able to contact the good Dr. --- * Origin: MESSIANIC JEWISH 1 NJ -=>609-448-5907<=- (Opus 1:150/814) SEEN-BY: 1/217 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 13 SEEN-BY: 114/20 100 123/2 128/13 22 32 132/101 134/24 138/49 52 101 150/3 SEEN-BY: 150/190 301 401 603 701 814 153/703 157/200 161/2 202/205 227/1 SEEN-BY: 300/3 301/2 343/111 344/0 From: Greg Johnson To: Dave Street Msg #18, Jul-17-88 04:46pm Subject: general Dave, just wanted to say hello and to thank you for the info. See you at the next PC users group, Greg Johnson. --- * Origin: Day's End (HST) - Denver, Co * (303) 650-5636 (Opus 1:104/20) SEEN-BY: 1/315 104/0 20 29 30 45 312 413 610 801 904 106/108 109/635 114/9 SEEN-BY: 114/13 20 100 128/13 22 32 130/12 138/49 161/42 300/3 301/2 From: Mark Bennett To: John Mood Msg #19, Jul-17-88 12:12am Subject: Test Did this ASTRONOMY message get over to you ok this time ? Mark --- QuickBBS v2.01 * Origin: Astronomy - Pyramid BBS - N. Chas, SC (1:372/10) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/221 372/2 7 10 888 SEEN-BY: 382/1 From: Terri Jaskolka To: All Msg #20, Jul-16-88 11:55am Subject: Face on Mars Can anybody tell me more about the "face" that was photographed on Mars? It sounds interesting, but my sources were sketchy and not very informative, unless there just isn't much information to start with. Also, I am intensely curious to know why this is only reaching the public now, when it was discovered in 1974, or did I miss something way back then, (I was only 10 years old then). --- * Origin: Small Time BBS - Raleigh, NC 919-781-7047 (Opus 1:364/701) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/0 100 701 708 366/221 372/888 SEEN-BY: 382/1 From: John Mood To: Jim Hyatt Msg #21, Jul-16-88 07:54pm Subject: This Echo... Call my BBS for some <E>mail, O.K. Jim? John Mood 372/7 The Humor Hotel BBS (803)797-5660 --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/221 372/2 7 10 888 SEEN-BY: 382/1 From: John Mood To: Mark Bennett Msg #22, Jul-17-88 05:48pm Subject: Test > Did this ASTRONOMY message get over to you ok this time ? Yes! John Mood --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/221 372/2 7 10 888 SEEN-BY: 382/1 From: Eric Bulfinch To: Chris Rosanelli Msg #23, Jul-17-88 03:32pm Subject: Re: Universe cr-> If the universe is egg shaped then wouldn't you cr-> run into an end... cr-> If you went far enough you would hit the shell... cr-> Well, actually that is only if we are on the inside cr-> of the egg. But then even if we are on the outside cr-> there would be points where the universe would end. cr-> I've tried to figure out the shape of the universe cr-> but could never cr-> come up with a good answer. . I just finished Stephen Hawkings little book, "A Brief History of Time" and he simply ignores the area that the universe is expanding into. He also ignores what goes on in the depths of the singularity at the center of a black hole. There is a reason for this: these areas seem to be completely and inherently unpredictable. . . Eric . . --- ConfMail V3.31 * Origin: TWO DOGS: Under the "Dog Star," SIRIUS :-) (1:366/2) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/2 11 221 222 372/888 SEEN-BY: 382/1 From: Wayne Schwartz To: Joseph Fedock Msg #24, Jul-16-88 09:23am Subject: Re: Neptune JOE, THANKS! I'LL CHECK IT OUT! WAYNE S. --- * Origin: MESSIANIC JEWISH 1 NJ -=>609-448-5907<=- (Opus 1:150/814) SEEN-BY: 1/217 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 13 SEEN-BY: 114/20 100 123/2 128/13 22 32 132/101 134/24 138/49 52 101 150/3 SEEN-BY: 150/190 301 401 603 701 814 153/703 157/200 161/2 202/205 227/1 SEEN-BY: 300/3 301/2 343/111 344/0 From: Eric Bulfinch To: Peter Ludwig Msg #25, Jul-17-88 07:19pm Subject: Re: Black Holes pl-> You are correct, the first discovery of a black hole pl-> is yet to be made. Since the theory says that a black pl-> hole will not emit any information (everything is pl-> going in not out) it would be pretty hard to pl-> determine that something really was a black hole. pl-> Sounds to me like a case of "if you can't detect it, pl-> it must be there". The whole theory is unprovable by pl-> its very nature. We infer the presence of many things without actually observing them. This was done with the planet Pluto before it was ever observed. There is some reason to believe that Cygnus X-1 is a normal star and a black hole rotating around each other. The unseen partner in the pair has been determined to have a mass six times greater than the sun's. This is well above the Chandrsekhar limit, which is 1.5 times the sun's mass. It is also too great for the unseen mass to be a white dwarf or a neutron star. We can therefore conclude it is a black hole. . . Eric . . --- ConfMail V3.31 * Origin: TWO DOGS: Under the "Dog Star," SIRIUS :-) (1:366/2) SEEN-BY: 1/217 218 10/0 13/9 102/742 103/501 504 506 507 710 105/16 114/9 SEEN-BY: 114/13 20 100 123/2 12 128/13 22 32 132/101 134/24 135/11 137/12 SEEN-BY: 138/49 52 101 150/3 153/703 157/200 161/2 170/300 999 202/205 SEEN-BY: 227/1 300/3 301/2 343/111 344/0 364/100 366/2 11 221 222 372/888 SEEN-BY: 382/1 From: Richard Keen To: Joseph Fedock Msg #26, Jul-20-88 04:45pm Subject: Re: Scopes As Bazookas Do you think that the problem of mistaking telescopes as weapons is peculiar to southeastern PA? Maybe it's the water! --- TBBS v2.0 * Origin: The Comm-Post - Denver, CO (303) 534-4646 (104/666) SEEN-BY: 1/315 104/0 20 45 610 666 705 801 904 114/9 13 20 100 128/13 22 SEEN-BY: 128/32 138/49 300/3 301/2 From: Leo Bores To: Robert Lisowski Msg #27, Jul-20-88 02:50pm Subject: Re: Accelerating Light > If you have two lasers, and line them up so the beams > are facing each > other, aren't the photons travelling at twice the speed > of light relative to each other? If speed is measured > with reference to a point, then why > wouldn't it be possible for something to travel faster > than 300,000 km/sec? > One wonders about a lot of things. I've decided to jump in here after reading all the responses to your original thesis. I'm somewhat troubled by it all. Some of the respondees answered you in the same condescending manner in which the so-called "classical physicists" answered the proponents of sub-atomic theory. Now these "enlightened" classicists - far from having learned anything from their experience - repeat the same old litany about "consistancy" and "conformity to present theory". They go on to describe how Einstein included Newtons Theory - as a "special case". The whole thing about it all is that for "sure" nothing is "sure". The Uncertainty Principle alone should give one pause. And then there's the whole question about light and what it is (or isn't) and photons themselves. Firstly, a photon supposedly has no mass. Well, it doesn't have "rest" mass since it doesn't sit still; so you can't weigh it. But it does have something akin to mass - while it's moving, which is all it does. If that is so, how is it that it travels at the speed of light? If it does have mass, why isn't that mass infinite? You see, Einsteins Special theory suggests that as an object is accelerated to the velocity of light, its mass increases. The so-called limiting factor of the speed of light is based on that theory since the mass is increased until it becomes infinite. Since it would take an infinite amount of energy to accelerate an object of an infinite mass to the speed of light and beyond ... There's the rub. How is it that something like a photon can exist? Is it a "special case"? And if IT'S a special case - how do we know that there are no others? There are some other problems with Einsteins Theory but it stands because it's the best that we have at explaining MOST of what we OBSERVE to be happpening in the universe. Except that it doesn't when we get to the sub-atomic level, and so on. I would agree that "mindless" speculation is worthless, but I have difficulty describing what is "mindless" - especially in view of the history of scientific discovery. Discipline IS necessary in maintaining a single-mindedness of purpose when studying some phenomenon or other but the term does not imply blindness to alternatives. The disease of conservatism for its own sake, is terminal - there is NO cure. Fortunately, not all are so afflicted. Leo --- ConfMail V3.31 * Origin: The ALTERego 1-602-941-3747 (1:114/14) SEEN-BY: 114/9 13 14 20 100 128/13 22 32 138/49 300/3 301/2 602/305 From: Leo Bores To: All Msg #28, Jul-20-88 02:15pm Subject: Help Some time ago, in Sky & Telescope, there was an article by some chap in Wyoming or Montana who was doing some work on false color imaging. I've been unable to make contact with him. Anyone know anything about him or this subject? he supposedly built all the instrumentation himself. Leo --- ConfMail V3.31 * Origin: The ALTERego 1-602-941-3747 (1:114/14) SEEN-BY: 114/9 13 14 20 100 128/13 22 32 138/49 300/3 301/2 602/305 From: Leo Bores To: Gary Held Msg #29, Jul-20-88 02:51pm Subject: Re: Optics > the hole from the back after the mirror is partially > polished. After finishing figuring you bore from the > front, DON'T even think about finsihing the cut from > the back. I once saw someone take the entire surface > of a mirror off that way. If anything in this isn't > clear ask again. Finishing the boring from the front means that you have to carefully center and register the partially finished blank before you start drilling. Otherwise you end up with an egg-shaped hole or a keyhole. By all means do not complete the hole from the back but do leave material on the front before finishing and figuring - it makes it a lot easier. Re-check the figuring when the boring is complete. Leo --- ConfMail V3.31 * Origin: The ALTERego 1-602-941-3747 (1:114/14) SEEN-BY: 114/9 13 14 20 100 128/13 22 32 138/49 300/3 301/2 602/305 From: Leo Bores To: Geoff Kennedy Msg #30, Jul-20-88 02:38pm Subject: Re: Astronomy BBS List > Not necessarily.....I don't get a "seen by" list here, > even though the board here carries this echo. I don't > think that international echomail (as this is for me > here) gives that, although I get the list on local > echos. OPUS is stripping the SEEN-BY's. It can be set so as not to do that if you need to see the whole list. Leo --- ConfMail V3.31 * Origin: The ALTERego 1-602-941-3747 (1:114/14) SEEN-BY: 114/9 13 14 20 100 128/13 22 32 138/49 300/3 301/2 602/305 From: Lee Lasson To: Terri Jaskolka Msg #31, Jul-20-88 07:53pm Subject: Re: Face on Mars Terri, While not an expert on the subject, I am at a friends house who just showed me a book you may wish to look at... "The Monuments of Mars - A City on the Edge Forever" By Richard C. Hoagland. The book from North Alantic Books is 14.95. Check it out... the blow ups are quite the face! Lee --- * Origin: ON-LINE CONSULTING, Estes Park, CO (303) 449-5251 (Opus 1:104/45) SEEN-BY: 1/315 104/0 20 45 610 666 705 801 904 114/9 13 20 100 128/13 22 SEEN-BY: 128/32 138/49 300/3 301/2 From: Chris Day To: Peter Ludwig Msg #32, Jul-21-88 07:39am Subject: Re: Black Holes > You are correct, the first discovery of a black hole is > yet to be made. Since the theory says that a black hole > will not emit any information (everything is going in > not out) it would be pretty hard to determine that something > really was a black hole. Sounds to me like a case of "if > you can't detect it, it must be there". The whole theory > is unprovable by its very nature. > Not really. Black holes still have rather high gravitational fields which can be detected in different ways (the orbit of a companion object, such as a normal star). I believe that particles pulled into the hole give off high energy radiation (gamma rays, etc.) as they are accelerated, which can be detected. Also, if one was "lucky" enough to be near a hole it might be possible to find it by looking for a dark area without stars, or by seeing the hole occult a star. Whenever a star passed behind the hole there would be a momentary halo of light around the hole as the light from the star was bent around the hole by the high gravity. --- * Origin: Day's End (HST) - Denver, Co * (303) 650-5636 (Opus 1:104/20) SEEN-BY: 1/315 104/0 20 29 30 45 312 413 610 801 904 106/108 109/635 114/9 SEEN-BY: 114/13 20 100 128/13 22 32 130/12 138/49 161/42 300/3 301/2 From: Chris Day To: Terri Jaskolka Msg #33, Jul-21-88 07:54am Subject: Re: Face on Mars > Can anybody tell me more about the "face" that was photographed > on Mars? It sounds interesting, but my sources were sketchy > and not very informative, unless there just isn't much > information to start with. The "face" is simply an illusion caused by light hitting certain natural terrain features at a certain angle. That is probably the reason why you haven't heard more about it. --- * Origin: Day's End (HST) - Denver, Co * (303) 650-5636 (Opus 1:104/20) SEEN-BY: 1/315 104/0 20 29 30 45 312 413 610 801 904 106/108 109/635 114/9 SEEN-BY: 114/13 20 100 128/13 22 32 130/12 138/49 161/42 300/3 301/2 From: Jim Grubs To: Bill Mccauley Msg #34, Jul-17-88 02:52pm Subject: Re: Moonbounce BM>The data transfer would be extremely slow if done in this manner. BM> You're talking about real low baud rate potential here. Sounds BM>like an extremely expensive way to do things. Why slow? The bandwidth potential of something at ruby laser frequencies is enough to put the entire 'radio' spectrum on it! Granted, you couldn't do it by keying the transmit laser itself. --- * Origin: QRV, QTH Sylvania, Ohio, 419-885-7043 (Opus 1:234/1) SEEN-BY: 1/315 13/9 100/517 104/0 20 29 30 45 312 413 610 801 904 106/108 SEEN-BY: 107/102 109/635 114/9 13 20 100 128/13 22 32 130/12 138/49 143/31 SEEN-BY: 147/9 22 151/103 161/1 2 42 203/1 234/0 1 4 300/3 301/2 383/6 SEEN-BY: 390/0 1 780/0 From: Jim Grubs To: Rick Ellis Msg #35, Jul-18-88 12:35pm Subject: Re: Moonbounce RE> The reflector left on the moon is a retro-reflector. That means RE>it RE> send the light back where it came from. How much power are RE>you RE> planning to use for the laser? It seems to me it would have RE>to be RE> high powered which would present safety problems. I know it's retro-reflective, but at that distance there should be enough dispersion for ranges of a couple hundred kilomters between earth stations (I hope). What I was loking forward to in this echo is some sort of estimates on path loss and then work backwards to determine the power needed to achieve the minimum returned signal strength. As far as safety is concerned, yes, I would not want anyone to look down the barrel to see if it's turned on. It would not normally be left unattended. --- * Origin: QRV, QTH Sylvania, Ohio, 419-885-7043 (Opus 1:234/1) SEEN-BY: 1/315 13/9 100/517 104/0 20 29 30 45 312 413 610 801 904 106/108 SEEN-BY: 107/102 109/635 114/9 13 20 100 128/13 22 32 130/12 138/49 143/31 SEEN-BY: 147/9 22 151/103 161/1 2 42 203/1 234/0 1 4 300/3 301/2 383/6 SEEN-BY: 390/0 1 780/0 From: Jim Hyatt To: Geoff Kennedy Msg #36, Jul-18-88 10:14pm Subject: Sn! Greetings Geoff, THANKS!!! Is it that old? HMMMmmm...must be terribly outdated by now! Interesting about that blue star death pattern! I believe that is new info...is it not? jim --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/218 315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 SEEN-BY: 104/904 106/108 107/102 109/635 114/9 13 20 100 123/2 12 128/13 SEEN-BY: 128/22 32 130/12 132/101 135/11 137/12 138/49 143/31 147/9 150/3 SEEN-BY: 151/103 157/200 161/1 2 42 170/300 999 203/1 227/1 300/3 301/2 SEEN-BY: 364/100 366/221 372/2 7 10 888 382/1 From: Jim Hyatt To: All Msg #37, Jul-19-88 12:30pm Subject: eye-see Greetings! In 'ASTRONOMY' mag (July) on page 71 is an article entitled "Ready, Compute, Aim". Always ready to test new ideas, my friend and I studied this article and followed the suggestions. We used a 50 cent protractor and an excellent compass in our test. Normally, we could ID only 3-4 deep space objects in 3 to 5 hours. (Remember--we are new with the scope and astronomy both!) The results are below using on the compass, protractor, and computations: First, we each took an area of the sky and using our SKY TRAVEL program...recorded the ELEVATION and AZIMUTH for each of several ofjects in our respective areas. The reading were taken for each hour beginning at 9:30 P.M. (arrival time). Having attached the protractor and compass as per directions, we QUICKLY found the following: Mars: dark spots and polar cap visible. Saturn: 3D clarity. The dark band in the rings was sharp with some marking on the surface of the planet. Triffid Nebula: Super! Lagoon Nebula: (M8) Outstanding! M4: Open star cluster near Antares M6: Great! M7: Wonderful! M11: star cluster..beautiful! Dumbell Nebula (M27): Superlative! M31: Andromeda Galaxy Awesome! + satellite galaxy. Antares: M15: Globular Cluster near Delphi All of this viewing was accomplished in a very short time because of the info in the above mentioned article. If you have a Dobsonian mount, I urge you to get and read the article. For a small investment, you can read, aim, and VIEW quickly any object...deep space or 'near by'!!! jim --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/218 315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 SEEN-BY: 104/904 106/108 107/102 109/635 114/9 13 20 100 123/2 12 128/13 SEEN-BY: 128/22 32 130/12 132/101 135/11 137/12 138/49 143/31 147/9 150/3 SEEN-BY: 151/103 157/200 161/1 2 42 170/300 999 203/1 227/1 300/3 301/2 SEEN-BY: 364/100 366/221 372/2 7 10 888 382/1 From: Jim Hyatt To: David Weiser Msg #38, Jul-19-88 12:20am Subject: SN1987a Greetings David, I'll check my computer program and see if you can view it from those areas. If you could provide the Lat/Long for the two spots...it would help! jim --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/218 315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 SEEN-BY: 104/904 106/108 107/102 109/635 114/9 13 20 100 123/2 12 128/13 SEEN-BY: 128/22 32 130/12 132/101 135/11 137/12 138/49 143/31 147/9 150/3 SEEN-BY: 151/103 157/200 161/1 2 42 170/300 999 203/1 227/1 300/3 301/2 SEEN-BY: 364/100 366/221 372/2 7 10 888 382/1 From: Jim Hyatt To: Terri Jaskolka Msg #39, Jul-19-88 12:21am Subject: Face on Mars Greetings Terri, My first info on the topic too! jim --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/218 315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 SEEN-BY: 104/904 106/108 107/102 109/635 114/9 13 20 100 123/2 12 128/13 SEEN-BY: 128/22 32 130/12 132/101 135/11 137/12 138/49 143/31 147/9 150/3 SEEN-BY: 151/103 157/200 161/1 2 42 170/300 999 203/1 227/1 300/3 301/2 SEEN-BY: 364/100 366/221 372/2 7 10 888 382/1 From: Jim Hyatt To: Rick Ellis Msg #40, Jul-19-88 12:22am Subject: Who Goes There? Greetings Rick, Definately...POST THEM...PLEEEEEEEEESE!?! jim --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/218 315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 SEEN-BY: 104/904 106/108 107/102 109/635 114/9 13 20 100 123/2 12 128/13 SEEN-BY: 128/22 32 130/12 132/101 135/11 137/12 138/49 143/31 147/9 150/3 SEEN-BY: 151/103 157/200 161/1 2 42 170/300 999 203/1 227/1 300/3 301/2 SEEN-BY: 364/100 366/221 372/2 7 10 888 382/1 From: Jim Hyatt To: All Msg #41, Jul-19-88 12:30am Subject: Perfect Viewing Area Greetings ALL! I have promised several of you (locals) that I would reveal my "secret" view spot!... Well...It seems that some idiots, drunk, idiots took a gun a shot wildly about while we were there. They did NOT see or hear us!!! Sooo...until we can figure out a way to make it SAFE...I'll keep it quiet. IF YOU can not wait a few days...leave me Email and I will give it to you. Otherwise...it will appear here within a week! By the way, AFTER the gunmen left, the viewing was FANTASTIC!!! jim --- QuickBBS v2.01 * Origin: Stargazer's Haven : The Humor Hotel (SC) (803)797-5660 (1:372/7) SEEN-BY: 1/218 315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 SEEN-BY: 104/904 106/108 107/102 109/635 114/9 13 20 100 123/2 12 128/13 SEEN-BY: 128/22 32 130/12 132/101 135/11 137/12 138/49 143/31 147/9 150/3 SEEN-BY: 151/103 157/200 161/1 2 42 170/300 999 203/1 227/1 300/3 301/2 SEEN-BY: 364/100 366/221 372/2 7 10 888 382/1 From: David Weiser To: Bill Mccauley Msg #42, Jul-19-88 12:03am Subject: Re: Sn1987a > You have to go south of the equator a few hundred miles. > Cancun or Jamica won't cut it. > > Bill Well darn, thanks! --- QuickBBS v2.01 * Origin: Software Exchange m Harrah OK 405-391-7028 m (1:147/24) SEEN-BY: 1/315 13/9 100/517 104/0 20 29 30 45 312 413 610 801 904 106/108 SEEN-BY: 107/102 109/635 114/9 13 20 100 128/13 22 32 130/12 138/49 143/31 SEEN-BY: 147/9 18 22 24 151/103 161/1 2 42 203/1 300/3 301/2 383/6 390/1 From: Bob Billson To: Robert Lisowski Msg #43, Jul-18-88 09:56pm Subject: Positron Sticker Glad you enjoyed it! :-) bob --- TBBS v2.0 * Origin: MFTBBS MultiLine TBBS Beta 2.1- 201-494-3649 Metuchen NJ SEEN-BY: 1/315 14/609 104/0 20 29 30 45 312 413 610 801 904 106/108 107/102 SEEN-BY: 107/320 331 109/635 114/9 13 20 100 128/13 22 32 130/12 138/49 SEEN-BY: 151/100 102 103 154/200 161/2 42 300/3 301/2 From: Bob Billson To: Rick Ellis Msg #44, Jul-18-88 10:05pm Subject: Re: More On Anti-Matter Oh no! not a neutrino bomb!! Pleezzee noooo! :-) bob --- TBBS v2.0 * Origin: MFTBBS MultiLine TBBS Beta 2.1- 201-494-3649 Metuchen NJ SEEN-BY: 1/315 14/609 104/0 20 29 30 45 312 413 610 801 904 106/108 107/102 SEEN-BY: 107/320 331 109/635 114/9 13 20 100 128/13 22 32 130/12 138/49 SEEN-BY: 151/100 102 103 154/200 161/2 42 300/3 301/2 From: George Armhold To: Robert Lisowski Msg #45, Jul-04-88 10:43am Subject: Re: Accelerating Light Yeah, I'd like to know where energy and matter cross the fine line between each other when they "transform". My physics teacher (high school) was content just to tell us "accept it as fact." When we asked her for an explanation of photons we got something like "discreet packets of energy" or some similar textbook explanation... Its this kind of teaching that causes possible scientists to look to other fields for a career! -GEA --- ConfMail V3.31 * Origin: Rutgers University - Piscataway, NJ (1:107/330) SEEN-BY: 1/315 14/609 104/0 20 29 30 45 312 413 610 801 904 106/108 107/102 SEEN-BY: 107/320 330 331 109/635 114/9 13 20 100 115/419 128/13 22 32 130/12 SEEN-BY: 138/49 151/100 102 103 154/200 161/2 42 300/3 301/2 From: Robert Lisowski To: George Armhold Msg #46, Jul-05-88 09:53am Subject: Re: Accelerating Light It's amazing if you look out over history and see just how much information was taken without question. People were content (most of them, anyway) with the explanations of "energy" transformation, and there are theories that use this info without really explaining the inner workings. It's like some people who buy a car, but don't know a thing about how it works. They can use it, but if strange things happen, they are unsure about how to explain it. Not to say that present theories are not useful, but we would be stupid to stop here. Scientists (some of them) are afraid of shaking the foundations of science to see how strong they are. Rob --- ConfMail V3.31 * Origin: Rutgers University - Piscataway, NJ (1:107/330) SEEN-BY: 1/315 14/609 104/0 20 29 30 45 312 413 610 801 904 106/108 107/102 SEEN-BY: 107/320 330 331 109/635 114/9 13 20 100 115/419 128/13 22 32 130/12 SEEN-BY: 138/49 151/100 102 103 154/200 161/2 42 300/3 301/2 From: Jeff Cohen To: Robert Lisowski Msg #47, Jul-07-88 08:02pm Subject: Re: Accelerating Light Robert, If I may inject another few thoughts... As far as "shaking the foundations" of science, this was well put. There should be nothing wrong with REALLY demanding a lot from our present knowledge; we can only gain by it. However, I do understand the point of view that often, making guesses and assumptions is the only way to progress. If we only accepted the theories that Einstein himself could prove, and disregard his other accomplishments because they appeared to be just guesses and not fact, then we would not get too far. Many do not want to admit it, but science is run by non-perfect humans, and many discoveries came from hunches or assumptions. Sometimes something works, and finding out why is the other half of the learning process. So, your feelings about people not really explaining the transformation of energy, or how the Big Bang started, etc. are valid in the sense that we should strive to better define and understand just exactly what we're talking about. I'm sure this is being done all over the world. Sure it's nice to use nuclear energy, but how much more could we obtain if we really knew what was going on? Perhaps quite a bit! But in the meantime, we can only guess as to the Big Bang, but that does not make subsequent theories untrue: they MAY be wrong, they MAY be right. (Confused yet?) Jeff --- * Origin: Northwestern's - ACNS (WOC'n a thin line) (Opus 1:115/419) SEEN-BY: 1/315 14/609 104/0 20 29 30 45 312 413 610 801 904 106/108 107/102 SEEN-BY: 107/320 330 331 109/635 114/9 13 20 100 115/419 678 128/13 22 SEEN-BY: 128/32 130/12 138/49 151/100 102 103 154/200 161/2 42 300/3 301/2 From: Robert Lisowski To: Jeff Cohen Msg #48, Jul-09-88 10:28pm Subject: Shaking The Foundations Now, if only some scientists would get to work on the safe disposal of waste! (We have a big waste problem at the Jersey shore.) Rob P.S. Not that there aren't any people working on it, but there is no improvement. I'm moving out of this state. --- ConfMail V3.31 * Origin: Rutgers University - Piscataway, NJ (1:107/330) SEEN-BY: 1/315 14/609 104/0 20 29 30 45 312 413 610 801 904 106/108 107/102 SEEN-BY: 107/320 330 331 109/635 114/9 13 20 100 115/419 128/13 22 32 130/12 SEEN-BY: 138/49 151/100 102 103 154/200 161/2 42 300/3 301/2 From: Chris Spacone To: All Msg #49, Jul-19-88 06:46pm Subject: Telescope 4 sale I know this is not the for sale echo but I have the need to sell a telescope. This instrument is a Bausch & Lomb Criterion 4000. It is an impressive little unit that is just right for the beginner or as a powerful and flexible spotter scope as a companion in a larger system. I want to get enough out of the sale to have most of the bux for a USR HST 9600. The telescope comes with a star diagonal, 18 and 30 mm objectives, built in clock drive, table top tripod legs and the hard shell custom case. I am hoping for $400.00 as a starting figure, this instrument sold for over $600.00 and was purchased brand new by an enthusiastic amateur that took very good care of the unit. I am the Sysop of the CyberNet BBS in memphis tn.and can be contacted at (901)872-8385 123/5 in the net. If you prefer voice (901) 872-1934. Replys to this message will be answered promptly via this echo or direct net mail. Thank you for your tolerance Chris Spacone --- * Origin: -GALACTICA - Region 18 Collection System - Cordova,Tn (Opus 1:123/2 SEEN-BY: 1/218 315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 SEEN-BY: 104/904 106/108 107/102 109/635 114/9 13 20 100 123/2 12 128/13 SEEN-BY: 128/22 32 130/12 132/101 135/11 137/12 138/49 143/31 147/9 150/3 SEEN-BY: 151/103 157/200 161/1 2 42 170/300 999 203/1 227/1 300/3 301/2 SEEN-BY: 364/100 366/221 372/888 382/1 From: Kerry Lindner To: All Solar Observers Msg #50, Jul-19-88 09:25pm Subject: Solar Filter Help! I want to get into solar observations but am greeted by many different filters and many different promises of each. My problem is I don't know which one to trust. I know for someone to give me a suggestion they would need the info on my scope. Although small, I am content with it. It is a Newtonian Reflector. 3.5" diameter objective. Focal length is 840mm. I would like to get a filter that fits like a cap on the front of the scope so I can use my various eyepeices. Yet, my friend mentioned that if it doesn't fit right it isn't worth much as I could lose my eyesight on a filter just a tad too small. If possible, I would like the surface aluminized coated and mounted, as it's called. I need a bunch of info on it. I need the company/dealer, address, phone number (not necessity) and a price estimate. Thanks for the help, Kerry Lindner --- * Origin: Dark Side of The Moon - PHASE II (Opus 1:100/5) SEEN-BY: 1/315 13/9 100/5 514 517 530 531 104/0 20 29 30 45 312 413 610 SEEN-BY: 104/801 904 106/108 107/102 109/635 114/9 13 20 100 128/13 22 SEEN-BY: 128/32 130/12 138/49 143/31 147/9 151/103 161/1 2 42 203/1 300/3 SEEN-BY: 301/2 From: Mort Sysop To: All Msg #51, Jul-19-88 01:29pm Subject: Physics Echomail Conference Announcing a new PHYSICS Echomail Conference. The PHYSICS Echomail Conference is intended primarily for the discussion of physics and physics teaching. Our goal is to stimulate the exchange of information and a wide-ranging discussion of physics related topics, including environmental and public-policy matters which have a physics aspect. There are, however, other echomail conferences devoted to related topics - SCIENCE, ASTRONOMY, EDUCATOR, BIONEWS, SPACE, etc. - and we would encourage people to use those echos for discussions which fall more naturally into those areas. Sysops interested in carrying PHYSICS should contact us at FidoNet 321/110 The Physics Forum 2400 baud CM 413-545-1959 FidoNet 321/109 Pioneer Valley PC Users Group #1 9600 baud HST CM 413-256-1037 Our voice number at the Department of Physics and Astronomy, University of Massachusetts in Amherst: 413-545-1959 Mort and Helen Sternheim Coordinators, PHYSICS Echomail Conference --- * Origin: Physics Forum (Opus 1:321/110) SEEN-BY: 1/315 13/9 100/517 103/501 104/0 20 29 30 45 312 413 610 801 904 SEEN-BY: 106/108 107/102 109/635 114/9 13 20 100 123/2 128/13 22 32 130/12 SEEN-BY: 132/101 114 138/49 143/31 147/9 150/3 151/103 157/200 161/1 2 SEEN-BY: 161/42 203/1 227/1 300/3 301/2 321/0 109 110 150 202 207 322/1 From: David Weiser To: Jim Hyatt Msg #52, Jul-20-88 09:42pm Subject: Re: SN1987a > Greetings David, > I'll check my computer program and see if you can view > it from > those areas. If you could provide the Lat/Long for the two > spots...it > would help! > jim > --- QuickBBS v2.01 > * Origin: Stargazer's Haven : The Humor Hotel (SC) > (803)797-5660 (1:372/7) The Latx' 21.05 N and Longx' 86.46 W Thanks... --- QuickBBS v2.01 * Origin: Software Exchange m Harrah OK 405-391-7028 m (1:147/24) SEEN-BY: 1/315 13/9 100/517 104/0 20 29 30 45 312 413 610 801 904 106/108 SEEN-BY: 107/102 109/635 114/9 13 20 100 128/13 22 32 130/12 138/49 143/31 SEEN-BY: 147/9 18 22 24 151/103 161/1 2 42 203/1 300/3 301/2 383/6 390/1 M