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)
Tuesday, August 27, 2019
Towards the Core
Today's Astronomy Picture of the Day takes us in the direction of the galactic core: clouds of dust and gas and an galactic-orbiting globular cluster (Messier 4) in the region of Rho Ophiuchi and Antares.
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