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Space.com on MSNOpinion
50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions' findings are still discussed today
Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...
Live updates from the NG-23 mission, which launched 6:11 p.m. Sept. 14 from Launch Complex 40 in Cape Canaveral Space Force ...
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