'Beast' Asteroid's Radar Observations Most Detailed Ever | Video

The nearly 1200 feet-wide space rock (2014 HQ124) was imaged by the Deep Space Network antenna at Goldstone, California and two other telescopes using a technique were one antenna beams the radar signal at the asteroid and the other attennas receive the reflections.

What Would Happen If It Hit Earth?

The technique delivered the most detailed radar images of a near-Earth asteroid ever obtained. Its nearest approach to Earth was ~776,000 miles and was nicknamed the 'Beast' by astronomers. 

credit : NASA / JPL-Caltech