How Much Does a Black Hole Weigh?

A recently developed method has successfully been applied for weighing a black hole named Cygnus X-1, located in the constellation Cygnus (the Swan) approximately 10 000 light years away in our Galaxy, the Milky Way.A black hole is an object with a gravitational field so powerful that a regi... [ read more >> ]

Recent evidence suggests that a ULX in the galaxy NGC 5408 has a black hole of about 2 000 solar masses.

Image comment: Recent evidence suggests that a ULX in the galaxy NGC 5408 has a black hole of about 2 000 solar masses.
Image credits: NASA

Recent evidence suggests that a ULX in the galaxy NGC 5408 has a black hole of about 2 000 solar masses.
© 2001 - 2012 Softpedia. All rights reserved.
Softpedia™ and the Softpedia™ logo are registered trademarks of SoftNews NET SRL.		 Copyright Information | Privacy Policy | Terms of Use | Send us feedback