A Huge Beam of Antimatter Has Been Caught Streaming From This Runaway Pulsar
A runaway dead star zooming through space at breakneck speeds has left behind a huge trail of matter and antimatter particles. The star is a pulsar called PSR J2030+4415 or J2030 for short; it’s around 20 kilometers (12 miles) in diameter, and it’s speeding through space at a breakneck velocity of around 450 kilometers per … Read more