After helping a friend move, I was returning home. It was late, and I was rewarded by an unusual view of the Empire State Building. The spire was invisible, making me think about its original use as the mooring tower for zeppelins.
worth a read
Mars For The Rest of Us — a weekly-or-more deep dive on the technical side of Mars exploration: rocket propulsion, microbiology, mission architecture, and everything in between. Written by Maciej Ceglowski.
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