God Plays Dice
A random walk through mathematics -- mostly through the random part.
Showing posts with label
astronomy
.
Show all posts
Showing posts with label
astronomy
.
Show all posts
15 November 2008
How does the orbit of the moon look?
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The orbit of the moon around the sun doesn't look like what you'd expect . (Although now that I've told you this, you might thin...
8 comments:
21 March 2008
Easter's early this year. Deal with it.
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Family holidays ruined by earliest Easter in 90 years (from the Daily Mail ). About halfway down, a formula is given: It may look daunting ...
27 comments:
21 December 2007
When asteroids attack
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Asteroid May Hit Mars in Next Month (AP). Scientists tracking the asteroid, currently halfway between Earth and Mars, initially put the odd...
3 comments:
04 December 2007
How much land is in the tropics?
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In Tropics widen, fringe areas drier, experts say , from the Associated Press, I found the following quote: Geographically, the tropical reg...
1 comment:
05 September 2007
Yet more fun with phase lag
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It's still warm here in Philadelphia. Highs are in the eighties this week, which is slightly above average for early September. Walking...
1 comment:
21 June 2007
The summer solstice and the longest days
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Quick, what's the longest day of the year? (In the northern hemisphere.) If you answered June 21 (today!), you're probably right. ...
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