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- Path: sparky!uunet!news.claremont.edu!nntp-server.caltech.edu!SOL1.GPS.CALTECH.EDU!CARL
- From: carl@SOL1.GPS.CALTECH.EDU (Carl J Lydick)
- Newsgroups: rec.puzzles
- Subject: Re: Direction of the sun
- Date: 27 Dec 1992 10:06:47 GMT
- Organization: HST Wide Field/Planetary Camera
- Lines: 24
- Distribution: world
- Message-ID: <1hjv7nINN34t@gap.caltech.edu>
- References: <1992Dec24.012636.17115@Csli.Stanford.EDU>
- Reply-To: carl@SOL1.GPS.CALTECH.EDU
- NNTP-Posting-Host: sol1.gps.caltech.edu
-
- In article <1992Dec24.012636.17115@Csli.Stanford.EDU>, hiraga@Csli.Stanford.EDU (Yuzuru Hiraga) writes:
- >
- ># Heard from a Japanese colleague -- Sorry again if this is in the FAQL
- >
- >Two boys, A and B, are watching the sunset.
- >A points to the sun and says:
- >"This is the direction where the sun is right now."
- >B replies:
- >"But don't you know that the rays take over 8 minutes to reach the Earth?
- >The sun is actually already below the horizon."
- >Which is correct? Why? (Make it understandable to a ten year-old.)
-
- The one who says that the sun is below the horizon. Just to help us in this
- exercise, a fighter plane flies overhead just as the conversation is happening.
- It's flying at Mach 10. A few seconds later the boys hear the sonic boom, and
- boy B says, "See, that fighter plane way over there caused the sonic boom."
- --------------------------------------------------------------------------------
- Carl J Lydick | INTERnet: CARL@SOL1.GPS.CALTECH.EDU | NSI/HEPnet: SOL1::CARL
-
- Disclaimer: Hey, I understand VAXen and VMS. That's what I get paid for. My
- understanding of astronomy is purely at the amateur level (or below). So
- unless what I'm saying is directly related to VAX/VMS, don't hold me or my
- organization responsible for it. If it IS related to VAX/VMS, you can try to
- hold me responsible for it, but my organization had nothing to do with it.
-