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Results tagged with discoveries
Search options questions only
not deleted
user 60
For questions about the location (in space and time) of scientific discoveries and their historical context.
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answer
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views
Before 1964, did scientists generally believe there was life on Mars?
Mariner 4 was the first spacecraft to return photographs of Mars from near the planet, making its flyby of Mars in 1964. Those photographs showed what appeared to be a barren, desert surface. Marine …
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