Statistical Physics
science / history / life / travel
Saturday, January 15, 2011
Season and Sun Path (pics from wiki)
Solstice(夏冬至)
Equinox (春秋分)
北纬0, 20, 50, 70, 90度
Ref:
1.
http://en.wikipedia.org/wiki/Equinox
2.
http://en.wikipedia.org/wiki/Solstice
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment