Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 14, 1962, NASA's Mariner 2 spacecraft flew by Venus. [‘On This Day in Space’ Video Series on Space.com] The Mariner 2 ...
On November 13, 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about the Red Planet. NASA had several flybys before Mariner 9. Those flybys showed ...
CC0 Usage Conditions ApplyClick for more information. On December 14, 1962, the Mariner 2 passed within 41,000 kilometers of Venus, returning important data on the conditions of the planet, as well as ...
Red Planet Day is observed every year on November 28 to commemorate a turning point in humanity's quest to understand Mars. On this day in 1964, NASA launched the Mariner 4 spacecraft, the first ...
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