Near-Earth asteroids (NEAs) are small solar system bodies in orbits that come near or cross the orbit of Earth. I will review NEAs as unique physical worlds, as potential impact hazards to Earth, and as accessible destinations for spacecraft.
Michael W. Busch, PhD, is a planetary astronomer and research scientist at the SETI Institute. His research focuses primarily on studying individual asteroids with radar and radio technique; to understand their histories, rule out future Earth impacts, and support space missions.
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