The rare Green Pea galaxies discovered by the general public in 2007 could help confirm astronomers' understanding of reionization, a pivotal stage in the evolution of the early universe, say University of Michigan researchers.
Astronomy
Apr 3, 2013
1
0
These days the core of the Milky Way galaxy is a pretty tame place... cosmically speaking. The galactic black hole at the center is a sleeping giant. Existing stars are peacefully circling. Although conditions are favorable, ...
Astronomy
Mar 6, 2013
8
0
(Phys.org)—Scientists at Northumbria University have begun to unlock the mystery of why the outer edge of the Sun is much hotter than its surface for the first time.
Space Exploration
Feb 4, 2013
10
0
With the US national debt standing at more than $16 trillion, the White House says it absolutely cannot spend $850 quadrillion on a "Star Wars"-inspired "Death Star" super-weapon.
Space Exploration
Jan 13, 2013
20
0
(Phys.org)—The North Star (Polaris) has played an important role in human history, yet knowledge of its fundamental parameters is unsatisfactory. That problem is attributable in large part to uncertainties tied to the star's ...
Astronomy
Nov 30, 2012
0
0
(Phys.org)—The space between stars is not empty. It contains copious but diffuse amounts of gas and dust; in fact about 5-10% of the total mass of our Milky Way galaxy is in interstellar gas. About 1% of the mass of this ...
Astronomy
Nov 12, 2012
17
0
J. Craig Wheeler has studied the exploding stars called supernovae for more than four decades. Now he has a new idea on the identity of the "parents" of one of the most important types of supernovae—the Type Ia, those used ...
Astronomy
Oct 26, 2012
50
0
(Phys.org)—One of the universe's greatest unexplained mysteries – why stars explode – could be explained by a particle similar to the Higgs boson. The theory developed by University of Aberdeen astrophysicist, Dr Charles ...
Astronomy
Sep 5, 2012
35
0
(Phys.org) -- Stars form when gravitational forces coalesce the gas and dust in interstellar clouds until the material forms clumps dense enough to become stars. Precisely how this happens, however, is still very uncertain. ...
Astronomy
Aug 6, 2012
2
0
(Phys.org) -- NASA's Chandra X-ray Observatory and ESA's XMM-Newton in space, and the Parkes radio telescope in Australia -- may have found the fastest moving pulsar ever seen.
Astronomy
Jun 28, 2012
3
0
