On Feb. 7 the sun will undergo an eclipse that few will see. It will be an annular eclipse, a "penny on nickel" effect in which the moon will be too small to completely cover the disk of the sun. picked by AutumnLotus 2 years ago 0 comments edit related share science |
Life as we know it may owe its existence to fluctuating levels of a humble metal in the primordial sea, according to an international study. picked by AutumnLotus 8 months ago 2 comments edit related share science |
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