AstroTalk Episode December 12, 2019

Space Junk. Gravitational Waves. New Particle X17????

2:13pm - 3:01pm

A new satellite (spacecraft?) will be deployed to clear the space junk from outer space. About time. The universe remembers gravitational waves. Evidence of an intermediate sized particle called X17. Does X17 contain a fiftth force that could help explain dark matter?