Con Stoitsis on Twitter: "On this day in 1973 Comet Kohoutek-Skylab became the first comet photographed from space. NASA picture. https://t.co/B7matE7tOT" / Twitter
File:Skylab astronauts talk to comet discoverer Kohoutek.jpg - Wikimedia Commons
Skylab: The flown and unflown missions - RocketSTEM
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A Dumb Decision': Remembering the Final Mission to Skylab, 45 Years Ago - AmericaSpace