(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.
Astronomy
May 30, 2011
6
0
Theoretical predictions have been confirmed with the discovery of an outflow of molecular gas from a quasar when the universe was less than a billion years old.
Astronomy
Feb 1, 2024
6
72
(PhysOrg.com) -- As part of its Hubble Heritage program, NASA has released an image, taken by a team led by UA astronomer Rodger Thompson, of a galaxy that resembles a snowflake.
Astronomy
Jan 18, 2010
1
1
(Phys.org) —Using the National Science Foundation's Robert C. Byrd Green Bank Telescope (GBT), astronomer D.J. Pisano from West Virginia University has discovered what could be a never-before-seen river of hydrogen flowing ...
Astronomy
Jan 27, 2014
44
1
(PhysOrg.com) -- When astronomers add up all the gas and dust contained in ordinary galaxies like our own Milky Way, they stumble on a puzzle: There is not nearly enough matter for stars to be born at the rates that are observed. ...
Astronomy
Mar 30, 2012
14
0
A team of astronomers including Carnegie's Eduardo Bañados and led by Roberto Decarli of the Max Planck Institute for Astronomy has discovered a new kind of galaxy which, although extremely old—formed less than a billion ...
Astronomy
May 24, 2017
6
263
The dichotomy concerns the so-called angular momentum (per unit mass) that in physics is a measure of size and rotation velocity. Spiral galaxies are found to be strongly rotating, with an angular momentum higher by a factor ...
Astronomy
Jul 14, 2017
8
276
As murder mysteries go, it's a big one: how do galaxies die and what kills them? A new study, published today in the journal Nature, has found that the primary cause of galactic death is strangulation, which occurs after ...
Astronomy
May 13, 2015
3
1406
A distant galaxy more massive than our Milky Way—with more than a trillion stars—has revealed that the 'cores' of massive galaxies in the Universe had formed already 1.5 billion years after the Big Bang, about 1 billion ...
Astronomy
Dec 19, 2019
2
982
Astronomers from the University of Arizona (UA) and elsewhere report the discovery of a new ultra-faint dwarf galaxy. The newfound galaxy, designated Tucana B, is the first quenched and isolated object of this type identified ...
