from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The radius of a collapsing celestial object at which gravitational forces exceed the ability of matter and energy to escape, resulting in a black hole.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The radius of an object such that, if all its mass were compressed within that radius, the escape velocity would equal the speed of light
After Karl Schwarzschild (1873-1916), German astronomer.(American Heritage® Dictionary of the English Language, Fourth Edition)
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.