NASA To Crash Spacecraft Into Asteroid, Testing Earth’s Planetary Defenses
Asteroids orbit the Sun and sometimes come close to Earth. When these space rocks come within 30 million miles of Earth, NASA calls them Near-Earth objects (NEOs). On Nov. 23, the space agency plans to launch a spacecraft into Earth’s orbit that will eventually slam into an asteroid about a year from now, hoping to alter the space rock’s course.
Read More