Let us create vessels and sails adjusted to the heavenly ether, and there will be plenty of people unafraid of the empty wastes. In the meantime, we shall prepare, for the brave sky-travellers, maps of the celestial bodies. --Johannes Kepler, 1610

First Posted: Oct. 9, 2015, 9 p.m. CST
Last Updated: Oct. 10, 2015, 3:40 p.m. CST


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