News tagged with gravity

Related topics:

Earth’s other moons

(PhysOrg.com) -- Earth usually has more than one moon, according to a team of astronomers from the University of Helsinki, the Paris Observatory and the University of Hawaii at Manoa.

Apr 04, 2012 4.6 / 5 (34) 19 | with audio podcast

A black hole unmasked

Black holes are among the most amazing and bizarre predictions of Einstein's theory of gravity. A black hole is thought to be point-like in dimension, but it is surrounded by an imaginary surface, or "edge," ...

Nov 29, 2011 4.7 / 5 (19) 26 | with audio podcast