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Cool Facts About Mercury | Astronomy Is Awesome
The first spacecraft we sent to Mercury was the Mariner 10, which flew by Mercury 3 times in 1974 and 1975. Even though the Mariner 10 flew by #Mercury 3 times, it was only able to map a little less than 50% of Mercury’s surface. http://astronomyisawesome.com/solar-systems/cool-facts-about-mercury/
The Stardust spacecraft carried this return capsule on the first mission to return extraterrestrial material from beyond the Moon. It collected samples from Comet Wild 2 and interstellar dust, material that may date from the formation of the solar system. Analysis of the samples continues, and will for years, yielding new discoveries about the composition of comets and the origin of the solar system. #seriouslyamazing #discoverer