Why is mystery object Cygnus X-3 so bright? Astronomers may now have the answer

The X-ray-emitting binary system Cygnus X-3 features a massive Wolf-Rayet star donating matter to a compact object, probably a black hole.


http://dlvr.it/T8nT9W

Popular Content

Long-tail cargo ebike has everything families need to go car-free

Cozy 200-sq-ft tiny house offers simple small living from $50K

Unhappy in Your Current Job? Find Out How to Change Careers With These Tips

New video may offer glimpse of secret F-47 fighter