US President Richard Nixon gave moon rocks collected by Apollo 11 and Apollo 17 astronauts to 135 countries around the world and the 50 US states as a token of American goodwill.
Space Exploration
3 hours ago
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After Neil Armstrong took a "giant leap for mankind" on the Moon nearly 50 years ago and collected rocks and soil along the way, Richard Nixon presented lunar souvenirs to every nation—135, at the time.
Space Exploration
3 hours ago
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Moon rocks look rather nondescript—they are often gray in color—but for NASA planetary scientist Samuel Lawrence, they are the "most precious materials on Earth."
Space Exploration
3 hours ago
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Who will take the giant leap for womankind?
Space Exploration
Jun 15, 2019
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