Globular clusters are gravitationally bound ensembles of stars, as many as a million stars in some cases, grouped in roughly spherical clusters with diameters as small as only tens of light-years. Globular clusters are typically ...
Astronomy
Mar 23, 2015
1
58
The galaxy UGC 8201, captured here by the NASA/ESA Hubble Space Telescope, is a dwarf irregular galaxy, so called because of its small size and chaotic structure. It lies just under 15 million light-years away from us in ...
Astronomy
Mar 19, 2015
4
78
When we think of cosmology, we often imagine the largest telescopes peering into the deepest space, collecting the feeble light from exploding stars or the first galaxies.
Astronomy
Mar 18, 2015
0
25
One of the biggest mysteries in galaxy evolution is the fate of the compact massive galaxies that roamed the early Universe.
Astronomy
Feb 27, 2015
4
2084
(Phys.org)—For the first time, an international team of astronomers, led by Dr James Geach from the University of Hertfordshire, has revealed the dramatic 'blow out' phase of galactic evolution.
Astronomy
Dec 4, 2014
1
0
What makes one rose bush blossom with flowers, while another remains barren? Astronomers ask a similar question of galaxies, wondering how some flourish with star formation and others barely bloom.
Astronomy
Oct 16, 2014
2
0
A team of researchers led by Dr. Stefano Bovino at the Institute for Astrophysics Göttingen (IAG) has conducted high-resolution simulations investigating the formation of the oldest-known star in our galaxy, SMSS J031300.36-670839.3, ...
Astronomy
Jul 22, 2014
0
0
A massive computer simulation has produced a model of the universe's evolution with new accuracy in some important measures—and yielded a new prediction concerning the distribution of matter in the cosmos.
General Physics
May 8, 2014
0
0
(Phys.org) —Watching a tree grow might be more frustrating than waiting for a pot to boil, but luckily for biologists, there are tree rings. Beginning at a tree trunk's dense core and moving out to the soft bark, the passage ...
Astronomy
Nov 1, 2013
3
0
An international team of astronomers has found the most distant gravitational lens yet—a galaxy that, as predicted by Albert Einstein's general theory of relativity, deflects and intensifies the light of an even more distant ...
Astronomy
Oct 17, 2013
0
1
