Monthly Notices of the Royal Astronomical Society

How black holes change gear

(Phys.org) -- Black holes are extremely powerful and efficient engines that not only swallow up matter, but also return a lot of energy to the Universe in exchange for the mass they eat. When black holes attract ...

Jun 07, 2012 4.5 / 5 (8) 83 | with audio podcast

Nomads of the galaxy

A recent study proposes the galaxy is crowded with nomad planets adrift in space. If this is the case, nomad planets may play a dynamic role in the universe.

May 23, 2012 4 / 5 (5) 7