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Asteroid 2008 OS7, up to 1575ft wide, narrowly missing Earth: collision must be only a matter of time
These typically range from several feet to tens of feet in diameter. Orbiting the sun every ... that doesn't rule out the possibility of a collision involving smaller celestial bodies.
MARCA26d
NASA's DART project: the secret plan to protect Earth from asteroid collision
The US space agency managed to slightly deflect the asteroid Dimorphos with a surface area of 160 meters in diameter ... A successful collision with its target took place on September 22, 2022 ...