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)
Thursday, February 14, 2019
The Pale Blue Dot
Today's Astronomy Picture of the Day is an image transmitted by the Voyager 1 craft, four billion miles out, on February 14, 1990. A portrait of our home system (minus those planets too "close" to the Sun to be imaged (Mercury, and by dint of position, Mars) or too small and dim to be captured (Pluto).
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