These pictures have absolutely nothing to do with the Vernal Equinox.
Or do they?
Saturday, 20 March 2010
Equinox
Today, we have twelve hours of daylight and twelve hours of darkness. Tomorrow, the days start to be longer than the nights. It's all to do with the fact that the earth leans on the universe like a bicycle against a wall (or "the obliquity of the ecliptic", about 23.5 degrees).
These pictures have absolutely nothing to do with the Vernal Equinox.
Or do they?
These pictures have absolutely nothing to do with the Vernal Equinox.
Or do they?
No comments:
Post a Comment
Comment policy: All comments are welcome, but will be moderated (i.e. read by me before publishing). This may take time. Only comments which add something constructive to the post in question (and which will be of interest to other readers) will be published. Spam will be hosed out, and its originators hunted down. Thanks.