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- Path: sparky!uunet!gumby!yale!yale.edu!think.com!steveo
- From: steveo@think.com (stephen anthony)
- Newsgroups: alt.sci.planetary
- Subject: Why does the sun rise/set above due east/west?
- Date: 11 Nov 1992 19:39:52 GMT
- Organization: Thinking Machines Corporation, Cambridge MA, USA
- Lines: 29
- Distribution: usa
- Message-ID: <1drni8INNi05@early-bird.think.com>
- NNTP-Posting-Host: pythagoras.think.com
-
-
- Here's a question that's stumped me for a while, but I've not known who to
- ask. If this group isn't the appropriate forum, let me know and I'll go
- elsewhere.
-
- There's a bit of reservation land nearby that has what they call the
- 'solstice stones'. Nothing like Stonehenge, or anything, but simply a set
- of stones in the ground that mark the ordinal points of the compass, along
- with the sun rise/set points for the summer and winter solstice. The
- placement of these solstice stones confirmed something I had known for a
- bit; that in the Northern Hemisphere, the point of sunrise/set on the
- summer solstice is above the east-west axis. Since, the sun on that day is
- at it's highest (Tropic of Cancer (or is it Capricorn?)) and that that is
- far south of eastern Massachusetts, how can this be?
-
- I tried to explain it by using the fact that the earth is (almost) a
- sphere, and that at dawn here, it's noon 7 hours ahead (so somewhere around
- the Mideast), and perhaps the apparent angles make it appear that the sun
- is rising above the east-west axis. But I was unable to prove this to my
- satisfaction.
-
- Does anyone have an explanation for this, or a pointer to a reference?
-
- I'd appreciate it.
- --
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