Saturday, September 24

Tag: Milky Way


Envisioning black holes

NASA/JPL-Caltech/REUTERS A black hole is a region in space where the pulling force of gravity is so intense it swallows anything near it, including light. Mainly feared in pop sci-fi, they in fact are an essential part of the structure of the universe.The strong gravity that comes into play with black holes occurs because matter has been pressed into a tiny space. This can happen at the end of a star's life, making some black holes the result of dying stars. Scientists believe the smallest black holes came about when the universe began. There are black holes at the center of most galaxies, including our own.Because no light escapes, black hol...