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Ground-based radar systems could play a major role in planetary defense, spotting asteroids on a cataclysmic collision course with Earth by bouncing radio waves off them to get position and velocity measurements.
The tiny asteroid was left deformed after the spacecraft slammed into it at a high rate of speed.
A frequent idea in sci-fi and apocalyptic films is that of an asteroid striking Earth and causing global devastation
NASA's upcoming SPHEREx mission will level up our planetary defence by finding and characterizing potentially dangerous objects.
The asteroid, called 2024 DW, is expected to come as close as 140,000 miles to our planet on Thursday - even closer than the moon.