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, March 3, 2015
Contrasts
Views from yesterday and today: Astronaut John Glenn crammed into Friendship 7 during the first American orbital mission vs. Astronaut Barry Wilmore on the first of three spacewalks undertaken at the International Space Station last week to prepare it for both commercial crew carriers and for inflatable station modules.
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