News tagged with galaxy evolution
Related topics: hubble space telescope , galaxies , supermassive black hole
Giant ultraviolet rings found in resurrected galaxies
Astronomers have found mysterious, giant loops of ultraviolet light in aged, massive galaxies, which seem to have a second lease on life. Somehow these "over-the-hill galaxies" have been infused with fresh ...
Aug 11, 2010 |
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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 |
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Discovery poses challenge to galaxy formation theories
A team led by an Indiana University astronomer has found a sample of massive galaxies with properties that suggest that they may have formed relatively recently. This would run counter to the widely-held belief ...
Apr 10, 2009 |
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Galaxies Demand a Stellar Recount
(PhysOrg.com) -- For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities. Like grocery stores selling melons ...
Aug 19, 2009 |
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Extra large galactic survey puts limits on ultralight particles
Physicists have long known that neutrinos are among the lightest and most evasive fundamental particles. Now a survey of the galaxies is helping to narrow down the neutrino mass even further. It seems that ...
Jul 12, 2010 |
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Surprise: Dwarf galaxy harbors supermassive black hole
(PhysOrg.com) -- The surprising discovery of a supermassive black hole in a small nearby galaxy has given astronomers a tantalizing look at how black holes and galaxies may have grown in the early history ...
Jan 09, 2011 |
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Galaxy Evolution Explorer satellite ferrets out planet-hunting targets
(PhysOrg.com) -- Astronomers have come up with a new way of identifying close, faint stars with NASA's Galaxy Evolution Explorer satellite. The technique should help in the hunt for planets that lie beyond ...
Apr 08, 2011 |
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Galaxy cluster hidden in plain view
(PhysOrg.com) -- A team of astronomers has discovered the most distant cluster of red galaxies ever observed using FourStar, a new and powerful near-infrared camera on the 6.5m Magellan Baade Telescope. The ...
Mar 06, 2012 |
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New Hubble treasury project to survey first third of cosmic time, study dark energy
(PhysOrg.com) -- Astronomers will peer deep into the universe in five directions to document the early history of star formation and galaxy evolution in an ambitious new project requiring an unprecedented ...
Mar 15, 2010 |
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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 |
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Is a new form of life really so alien?
The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...
May 08, 2012 |
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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 |
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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 |
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M81's 'Halo' Sheds Light on Galaxy Formation
(PhysOrg.com) -- Observations with Subaru Telescope's Prime Focus Camera (Suprime-Cam) have revealed an extended structure of the spiral galaxy Messier 81 (M81) that may hold a key to understanding the formation ...
Apr 13, 2010 |
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Large galaxies stopped growing 7 billion years ago
(PhysOrg.com) -- Galaxies are thought to develop by the gravitational attraction between and merger of smaller 'sub-galaxies', a process that standard cosmological ideas suggest should be ongoing. But new ...
Apr 20, 2011 |
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