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, August 28, 2019
A High Bar
Today's Astronomy Picture of the Day combines data from several telescopic sources to produce a stunning image of face-on barred spiral galaxy, Messier 61 (part of a rich field of galaxies to hunt as an amateur, the Virgo Cluster of Galaxies).
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