On Oct. 12, a house-size asteroid will pass quite close to Earth – only 26,000 miles (42,000 kilometers) away. This is just above the orbital altitude of communications satellites and a little over one-tenth the distance to the Moon. But not to fear, it has no chance of hitting Earth. Asteroid 2012 TC4 was discovered … Continue reading Watch a House-Sized Asteroid Pass Close to Earth Tonight (October 11/12)