Thursday, March 27, 2014
Thursday, March 20, 2014
The black-and-white cat again
Sloe (Prunus spinosa)
On the first day of spring—the vernal equinox—day and night are each approximately 12 hours long (with the actual time of equal day and night, in the Northern Hemisphere, occurring a few days before the vernal equinox). The Sun crosses the celestial equator going northward; it rises exactly due east and sets exactly due west
Monday, March 17, 2014
Friday, March 7, 2014
Wednesday, March 5, 2014
Sunday, March 2, 2014
Saturday, March 1, 2014
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