News tagged with astrophysical journal

Blazars

(PhysOrg.com) -- A blazar is a galaxy which, like a quasar, has an intensely bright central nucleus containing a supermassive black hole. In a blazar, however, the emitted light sometimes includes extremely ...

Sep 06, 2011 4.7 / 5 (7) 9 | with audio podcast

Explosive growth of young star

A star is formed when a large cloud of gas and dust condenses and eventually becomes so dense that it collapses into a ball of gas, where the pressure heats the matter, creating a glowing gas ball – a star ...

Dec 04, 2013 4.4 / 5 (5) 0 | with audio podcast