How Mariner 4 Rewrote What We Know About Mars
SMRTR summary
Sixty-one years ago, Mariner 4 became the first spacecraft to photograph Mars up close, crushing hopes of finding alien civilizations by revealing a barren, cratered world. Today, NASA's Curiosity and Perseverance rovers continue searching for signs of ancient microbial life, having already found complex organic compounds in Martian soil.
SMRTR provides this summary for quick context. The original article belongs to Nautilus.
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