Posts Tagged ‘cosmology’
El Gordo: Big, hot galaxy cluster found
RUTGERS (US) — Astrophysicists have discovered the largest galaxy cluster ever seen in the distant universe, located more than 7 billion light years from Earth. Continue…
Thursday, January 12, 2012 12:36 - 0 Comments
Science & Technology - Dec 19, 2011 14:47 - 0 Comments
Early black holes gorged on ‘fast food’
CARNEGIE MELLON (US) — The largest cosmological simulation ever conducted shows that a steady diet of cold dense gas caused the rapid growth of the early supermassive black holes. (more…)
Science & Technology - Dec 7, 2011 10:20 - 0 Comments
New black holes pop up in young galaxy
YALE (US) — Astronomers have discovered what appear to be three fast-growing, supermassive black holes in a relatively young, still-forming galaxy. (more…)
Science & Technology - Nov 10, 2011 11:48 - 0 Comments
Dwarf galaxies put dark matter to the test
U. MICHIGAN (US) — Two satellite dwarf galaxies found 1.1 million and 600,000 light years from Andromeda, the closest spiral galaxy to Earth, may help reveal the nature of dark matter. (more…)
Science & Technology - Sep 19, 2011 12:09 - 0 Comments
How the Milky Way got its spiral
U. PITTSBURGH (US) — The Milky Way’s spiral arms began forming after an epic collision with the Sagittarius Dwarf galaxy, according to supercomputer simulations. (more…)
Top Stories - Jul 15, 2011 11:06 - 1 Comment
‘Twisted’ solution to antimatter vs. matter
U. WARWICK (UK) — Physicists may have neglected the significant effect of our galaxy’s rotation on the pattern of how subatomic particles breakdown, a new study suggests. (more…)
Top Stories - Jul 8, 2011 10:05 - 11 Comments
Universe born in a spin—and still whirling?
U. MICHIGAN (US) — New findings raise questions about the universe’s assumed mirror symmetry—and seem to suggest the early universe spun on an axis. (more…)
Top Stories - Apr 27, 2011 11:47 - 0 Comments
4-D coming to a universe near you?
U. BUFFALO (US) — A new theory proposes the early universe had just one dimension (like a straight line) and a fourth dimension may be opening up as the universe expands. (more…)
Science & Technology - Mar 25, 2011 10:27 - 1 Comment
How a supernova earns its stripes
RUTGERS (US) — A cosmic event can speed particles to energies a hundred times higher than those on Earth. How it’s possible may be explained by a pattern of X-ray stripes in the remains of an exploded star. (more…)
Science & Technology - Nov 24, 2010 13:10 - 0 Comments
Scratching the dusty surface of galaxies
U. CHICAGO (US) — It’s becoming clear that cosmic dust has played a galactic role in the birth of both stars and galaxies. (more…)
Science & Technology - Nov 3, 2010 11:33 - 0 Comments
Galaxy clusters emerge from shadows
RUTGERS (US) — Astrophysicists have discovered 10 new massive galaxy clusters from a large, uniform survey of the southern sky. (more…)
Science & Technology - Oct 12, 2010 11:37 - 1 Comment
On the hunt for ‘exotic’ matter
MCGILL U. (CAN) — Researchers used Einstein’s famous E=mc2 equation and the Large Hadron Collider in Switzerland to recreate a miniature version of the event at the origins of the universe. (more…)
Science & Technology - Sep 9, 2010 16:46 - 0 Comments
Supernova shrapnel found in meteorite
U. CHICAGO (US)—Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago. (more…)
Science & Technology - Jun 14, 2010 11:01 - 0 Comments
First look deep inside infant solar systems
U. ARIZONA (US)—Astronomers have observed in unprecedented detail the processes giving rise to stars and planets in nascent solar systems. (more…)
Science & Technology - Mar 16, 2010 11:36 - 6 Comments
Universe’s age: 13.75 billion years
STANFORD (US)—Using entire galaxies as lenses to look at other galaxies, researchers have a newly precise way to measure the size and age of the universe and how rapidly it is expanding, on a par with other techniques. (more…)
Science & Technology - Mar 10, 2010 17:08 - 0 Comments
Einstein validated on cosmic scale
PRINCETON / UC BERKELEY (US)—An analysis of more than 70,000 galaxies demonstrates that the universe—at least up to a distance of 3.5 billion light years from Earth—plays by the rules set out 95 years ago by Albert Einstein in his General Theory of Relativity. (more…)
Science & Technology - Feb 3, 2010 12:55 - 0 Comments
Simulated galaxies resemble real ones
WASHINGTON (US)—Using millions of hours on supercomputers, researchers have run simulations of galaxy formation and produced dwarf galaxies very much like those observed today by satellites and large telescopes around the world. (more…)
Science & Technology - Jan 13, 2010 10:58 - 5 Comments
So, why is the Milky Way a barred spiral?
CALTECH (US)—For the first time, two astronomers have explained the diversity of galaxy shapes seen in the universe. (more…)
Science & Technology - Nov 2, 2009 23:27 - 0 Comments
Starburst galaxy emits intense gamma rays
IOWA STATE (US)—A galaxy quickly creating new stars is also a source of high energy gamma rays, according to a recent discovery. Gamma rays are high energy electromagnetic radiation. The rays discovered have a trillion times the energy of visible light. (more…)
