Radar Pegs 3rd Closest Comet At 3000ft Wide, Video

NASA s Deep Space Networks Goldstone Solar System Radar in California watched comet P, 2016 BA14 for 3 days (March 2123, 2016), The comet was between 2. 5 million miles and 2. 2 million miles (4. 1 million kilometers and 3. 6 million kilometers) away. The imagery reveals that the comet spins once every 3540 hours. More images and observatory video: Credit: NASA, JPLCaltech, mash mix: