News tagged with satellite galaxy

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New candidate for most distant object in universe

(PhysOrg.com) -- A gamma-ray burst detected by NASA's Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion ...

May 25, 2011
5 / 5 (8) 8 | 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

Missing Milky Way dark matter

Although dark matter is inherently difficult to observe, an understanding of its properties (even if not its nature) allows astronomers to predict where its effects should be felt. The current understanding ...

Nov 09, 2010
4.9 / 5 (11) 7

In a Galaxy Far, Far Away...

(PhysOrg.com) -- Astronomers have published the discovery of the farthest known object in the cosmos: a star that exploded when the universe was only 630 million years old -- only 4.6% of its current age. ...

Nov 06, 2009
4.9 / 5 (8) 38