News tagged with dark energy

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G299.2-2.9, a middle-aged supernova remnant

(PhysOrg.com) -- G299.2-2.9 is an intriguing supernova remnant found about 16,000 light years away in the Milky Way galaxy. Evidence points to G299.2-2.9 being the remains of a Type Ia supernova, where a white ...

Oct 13, 2011
not rated yet 3 | with audio podcast

Ticking stellar time bomb identified (w/ Video)

(PhysOrg.com) -- "One of the major problems in modern astrophysics is the fact that we still do not know exactly what kinds of stellar system explode as a Type Ia supernova," says Patrick Woudt, from the University ...

Nov 17, 2009
4.8 / 5 (12) 0

Holographic dark information energy

Holographic Dark Information Energy gets my vote for the best mix of arcane theoretical concepts expressed in the shortest number of words – and just to keep it interesting, it’s mostly about entropy.

May 30, 2011
4.3 / 5 (13) 19 | with audio podcast

Big rips and little rips

One of a number of seemingly implausible features of dark energy is that its density is assumed to be constant over time. So, even though the universe expands over time, dark energy does not become diluted, ...

Jul 04, 2011
4.8 / 5 (9) 37 | with audio podcast