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, October 31, 2017
Dark Web
Today's Astronomy Picture of the Day is a simulation of our universe. What is dark matter? Where is dark matter? This simulation takes a look at this possible explanation for why we can't seem to match up observations with what the universe "should weigh". Calling Stephen Baxter...calling Stephen Baxter...
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