These great hollow globes of artificial super-metals, and artificial transparent adamant, ranged in size from the earliest and smallest structures, which were no bigger than a very small asteroid, to spheres considerably larger than the Earth. (Olaf Stapledon, STAR MAKER)
Friday, January 13, 2017
Conjunctions
Today's Astronomy Picture of the Day gives us four planets and one Moon in one view. Mars (which was in conjunction with Venus, also visible in the shot) gives you a good chance of "star-hopping" over to Neptune!
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