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)
Wednesday, March 13, 2019
Marathon Skies
Today's Astronomy Picture of the Day brings us the highlights of the Spring 2019 for the Northern Hemisphere. Early spring, during the dark of the Moon is when amateur astronomers lose sleep and try to tick off as many items as they can for the Messier Marathon. (If you don't think sitting outside for an entire night of a northern hemisphere early spring isn't an endurance test, give it a try!).
A view from the southern hemisphere is below.
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