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Asteroid nearly a mile wide just missed Earth
rotation, surface details, and clues as to their composition and formation." Using the Deep Space Network’s 230-foot-wide (70 ...
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NASA's planetary radar tracks two large asteroid close approaches
The Deep Space Network's Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth. Scientists at NASA's Jet Propulsion Laboratory in ...