News Astronomy

Astronomers get the spin on black holes

By Ron Cowen

- More than 2 years ago

Simulation of a black hole sucking in matter from an orbiting disk of gas (white and blue rings). Gap between the disk and the hole represents the smallest stable orbit that the gas can have. NASA/Honeywell Max-Q Digital/D. Berry

For all their mind-boggling effects on geometry, warping the very fabric of space and time, black holes are governed by two just properties–mass and spin.