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View Full Version : Is There a Mysterious Black Hole Constant?



Fraser
2009-Mar-01, 07:40 AM
If you found yourself in the unfortunate situation of orbiting a black hole, you may be in for a rather dizzying and unpredictable ride. If the black hole is spinning, it will flatten out under centrifugal forces, much like the Earth bulges slightly at the equator, but the black hole's bulge will be radically greater. [...]

More... (http://www.universetoday.com/2009/03/01/is-there-a-mysterious-black-hole-constant/)

timb
2009-Mar-01, 08:00 PM
If the black hole "has no hair" (i.e. it has no electrical charge), the gravitational field solely depends on its mass and spin.

That's not what the "no hair" expression means in relation to black holes.