News tagged with galaxy evolution
NASA's Galaxy Evolution explorer in standby mode
(PhysOrg.com) -- NASA's Galaxy Evolution Explorer, or Galex, was placed in standby mode today as engineers prepare to end mission operations, nearly nine years after the telescope's launch. The spacecraft ...
Space & Earth / Space Exploration
Feb 08, 2012 |
4 / 5 (3) |
1
ALMA early science result reveals starving galaxies
(PhysOrg.com) -- Astronomers using the partially completed ALMA observatory have found compelling evidence for how star-forming galaxies evolve into 'red and dead' elliptical galaxies, catching a large group ...
Jan 11, 2012 |
4.8 / 5 (4) |
0
|
Strange new 'species' of ultra-red galaxy discovered
In the distant reaches of the universe, almost 13 billion light-years from Earth, a strange species of galaxy lay hidden. Cloaked in dust and dimmed by the intervening distance, even the Hubble Space Telescope ...
Dec 01, 2011 |
4.4 / 5 (25) |
365
|
NASA to support IU astronomer's quest to develop largest-ever star formation database
(PhysOrg.com) -- Samir Salim has a lot of space to fit into a new NASA-funded database; about 11 million galaxies of it would be a ballpark estimate based on the number of galaxies for which distances can be estimated to ...
Nov 21, 2011 |
5 / 5 (3) |
0
Gaseous halos of galaxies are much larger, more massive than the distribution of stars within the galaxy
New, high-precision equipment orbiting Earth aboard the Hubble Space Telescope is now sending such rich data back to astronomers, some feel they are crossing the final frontier toward understanding galaxy ...
Nov 17, 2011 |
4.8 / 5 (9) |
29
|
Astronomers pin down galaxy collision rate
(PhysOrg.com) -- A new analysis of images from the Hubble Space Telescope combined with supercomputer simulations of galaxy collisions has cleared up years of confusion about the rate at which smaller galaxies ...
Oct 27, 2011 |
5 / 5 (2) |
1
|
Close encounters of the galactic kind
(PhysOrg.com) -- Astronomers have used a large survey to test a prediction that close encounters between galaxies can trigger the rapid growth of supermassive black holes. Key to this work was Chandra's unique ...
Oct 26, 2011 |
5 / 5 (3) |
8
|
Is M85 missing a black hole?
The conventional wisdom of galaxies is that they should have a central massive black hole (CMBH). The presence of such objects has been confirmed in our own galaxy as well as numerous other galaxies, including ...
Oct 17, 2011 |
4.8 / 5 (5) |
5
Distant galaxies reveal the clearing of the cosmic fog
(PhysOrg.com) -- Scientists have used ESO's Very Large Telescope to probe the early Universe at several different times as it was becoming transparent to ultraviolet light. This brief but dramatic phase in ...
Oct 12, 2011 |
5 / 5 (6) |
11
|
Stellar winds
(PhysOrg.com) -- The Sun, glowing with a surface temperature of about 5500 degrees Celsius, warms the Earth with its salutary light. Meanwhile the Sun's hot outer layer (the corona), with its temperature of ...
Oct 10, 2011 |
5 / 5 (2) |
7
|
Cosmic weight watching reveals black hole-galaxy history
(PhysOrg.com) -- Using state-of-the-art technology and sophisticated data analysis tools, a team of astronomers from the Max Planck Institute for Astronomy has developed a new and powerful technique to directly ...
Sep 30, 2011 |
4.7 / 5 (7) |
8
|
Small distant galaxies host supermassive black holes
(PhysOrg.com) -- Using the Hubble Space Telescope to probe the distant universe, astronomers have found supermassive black holes growing in surprisingly small galaxies. The findings suggest that central black ...
Sep 15, 2011 |
4.2 / 5 (10) |
28
|
A cosmic exclamation point
(PhysOrg.com) -- VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North ...
Aug 12, 2011 |
4.3 / 5 (8) |
42
|
Red-burning galaxies hold the key to galaxy evolution
A research team of astronomers from the University of Tokyo and the National Astronomical Society of Japan (NAOJ) has identified the location of red star-forming galaxies around a galaxy cluster situated four ...
Aug 08, 2011 |
4.5 / 5 (6) |
4
|
Galaxy Evolution Explorer finds dark energy repulsive
(PhysOrg.com) -- A five-year survey of 200,000 galaxies, stretching back seven billion years in cosmic time, has led to one of the best independent confirmations that dark energy is driving our universe apart at a ...
May 20, 2011 |
4.3 / 5 (9) |
8
