Posts Tagged ‘stars’
‘Dynamo’ accounts for Sun’s weather cycle
U. LEEDS (UK) / U. CHICAGO (US) — Researchers have discovered what drives the generation of astrophysical magnetic fields like the Sun’s. Continue…
Thursday, May 23, 2013 12:17 - 0 Comments
Top Stories - May 6, 2013 10:01 - 0 Comments
Scientists wait to see black hole’s birth
CALTECH (US) — A new kind of cosmic flash may reveal the birth of a black hole for the first time. (more…)
Science & Technology - Apr 24, 2013 9:45 - 0 Comments
‘Sports car’ galaxy burns gas into stars
MCGILL (CAN) — A newly discovered galaxy turns gas into stars with almost 100 percent efficiency—a rare phase of evolution that is the most extreme ever observed. (more…)
Top Stories - Apr 23, 2013 6:27 - 0 Comments
Did sand in meteorites come from supernova?
WASHINGTON U. – ST. LOUIS (US) — Two tiny grains of silica found in primitive meteorites could be from the same supernova, a massive star that exploded at the end of its life. (more…)
Science & Technology - Apr 18, 2013 6:47 - 0 Comments
Massive star factory in early universe
CALTECH (US) — Astronomers have found a star-generating galaxy that existed billions of years earlier than expected possible, churning out 2,000 times more stars than the Milky Way. (more…)
Science & Technology - Apr 17, 2013 12:20 - 0 Comments
Gamma-ray burst from whopper of a star
U. WARWICK (UK) — A new type of exceptionally powerful and long-lived cosmic explosion may come from the violent death throes of a supergiant star. (more…)
Science & Technology - Apr 5, 2013 14:28 - 0 Comments
‘Green Pea’ galaxies overflowing with light
U. MICHIGAN (US) — Rare Green Pea galaxies discovered by the general public in 2007 could help confirm understanding of reionization, a pivotal stage in the evolution of the early universe, researchers say. (more…)
Science & Technology - Mar 13, 2013 10:47 - 1 Comment
Star system is closest found in a century
PENN STATE (US) — A newly discovered star system is the closest discovered since 1916—and the third-closest star system to the sun. (more…)
Science & Technology - Mar 6, 2013 9:23 - 1 Comment
Did black hole smash-up shape the Milky Way?
VANDERBILT / GEORGIA TECH (US) — There’s growing evidence that the center of the Milky Way galaxy has a violent past and two astronomers say a black hole collision can explain all the forensic clues. (more…)
Science & Technology - Feb 25, 2013 18:26 - 0 Comments
Smallest space telescope will look for ‘starquakes’
U. TORONTO (CAN) — The smallest astronomical satellite ever built, weighing less than 7 kilograms (15.5 pounds), launched Monday, February 25. (more…)
Science & Technology - Jan 23, 2013 18:25 - 0 Comments
‘Gilligan and Skipper’ dwarf galaxies discovered
CASE WESTERN RESERVE (US) — Astronomers have discovered a faint dwarf galaxy and another possible young dwarf caught before it had a chance to form any stars. (more…)
Science & Technology - Jan 14, 2013 17:50 - 0 Comments
Why ‘weird’ cloud doesn’t crank out stars
CALTECH (US) — A puzzling cloud of gas near the galaxy’s center may hold clues to how stars are born. (more…)
Science & Technology - Jan 10, 2013 14:29 - 2 Comments
Vega’s asteroid belt hints at hidden planets
U. ARIZONA (US) — The bright star Vega has an asteroid belt, much like our sun, a finding that hints at the possibility of orbiting planets. (more…)
Science & Technology - Jan 9, 2013 11:41 - 2 Comments
Telescopes reveal brown dwarf’s ‘iron rain’
U. ARIZONA (US) — The Spitzer and Hubble space telescopes show sandy and iron storm clouds that enshroud these strange objects, which are not quite planets and not quite stars. (more…)
Science & Technology - Jan 8, 2013 16:24 - 0 Comments
Big planets ejected if our sun had a ‘sister’
NORTHWESTERN (US) — If our sun had a companion star, at least one of the giant planets (Jupiter, Saturn, Uranus, and Neptune) would likely be ejected, according to computer simulations. (more…)
Science & Technology - Jan 2, 2013 10:20 - 0 Comments
Fast stars mix it up inside Milky Way bar
U. VIRGINIA / U. MICHIGAN (US) — Hundreds of stars rapidly moving together in long, looping orbits around the center of our galaxy act like a “giant mixer.” (more…)
Science & Technology - Dec 17, 2012 13:00 - 2 Comments
At solar system’s birth, no exploding star
U. CHICAGO (US) —New research challenges the notion that the force of an exploding star prompted the formation of the solar system. (more…)
Science & Technology - Dec 12, 2012 17:58 - 0 Comments
‘Vega’ star may be 200 million years older
U. MICHIGAN (US) — A star astronomers have used as a benchmark to measure other stars’ brightness for thousands of years may be more than 200 million years older than previously thought. (more…)
Science & Technology - Nov 28, 2012 17:04 - 2 Comments
Most massive black hole fills strange galaxy
U. TEXAS-AUSTIN (US) — A black hole that is 17 billion times the mass of the sun could change theories about how black holes and galaxies form and evolve. (more…)
