News tagged with satellite galaxies

Related topics:

Cosmic explosion spotted in neighbouring galaxy

(Phys.org) —NASA's Swift satellite reported an enormous explosion occurred this morning at 8.15 AEST in our neighbouring galaxy, Andromeda. This explosion is known as a Gamma Ray Burst (GRB), one of the ...

May 28, 2014
4.5 / 5 (58) 84

Fermi and Swift see 'shockingly bright' burst

A record-setting blast of gamma rays from a dying star in a distant galaxy has wowed astronomers around the world. The eruption, which is classified as a gamma-ray burst, or GRB, and designated GRB 130427A, ...

May 03, 2013
5 / 5 (24) 20 | with audio podcast

Star's 'cry' heralds new era for testing relativity

(Phys.org) -- Last year, astronomers discovered a quiescent black hole in a distant galaxy that erupted after shredding and consuming a passing star. Now researchers have identified a distinctive X-ray signal ...

Aug 02, 2012
4.6 / 5 (21) 0 | with audio podcast

Astrophysicists solve mystery in Milky Way galaxy

A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...

Jul 09, 2009
4.7 / 5 (19) 7

Hubble finds source of Magellanic Stream

(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have solved the 40-year-old mystery of the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around the Milky ...

Aug 08, 2013
4.8 / 5 (18) 49 | with audio podcast

Milky Way shaken... and stirred

A team of scientists headed by Ivan Minchev from the Leibniz Institute for Astrophysics Potsdam (AIP), has found a way to reconstruct the evolutionary history of our galaxy, the Milky Way, to a new level ...

Jan 20, 2014
3.1 / 5 (28) 1 | with audio podcast

Youngest nearby black hole found (w/ Video)

(PhysOrg.com) -- Astronomers using NASA's Chandra X-ray Observatory have found evidence of the youngest black hole known to exist in our cosmic neighborhood. The 30-year-old black hole provides a unique opportunity ...

Nov 15, 2010
4.4 / 5 (18) 6 | with audio podcast