News tagged with supernovas

Fermi's motion produces a study in spirograph

(Phys.org)—NASA's Fermi Gamma-ray Space Telescope orbits our planet every 95 minutes, building up increasingly deeper views of the universe with every circuit. Its wide-eyed Large Area Telescope (LAT) sweeps ...

Feb 27, 2013
4.3 / 5 (3) 1 | with audio podcast

Nearby ancient star is almost as old as the Universe

A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is nearly as old as the Universe! Those results emerged from a new study led by Howard Bond. Such metal-poor stars are (s ...

Feb 25, 2013
4.5 / 5 (19) 15

DEM L50: Stellar effervescence on display

(Phys.org)—This composite image shows the superbubble DEM L50 (a.k.a. N186) located in the Large Magellanic Cloud about 160,000 light years from Earth. Superbubbles are found in regions where massive stars ...

Jan 28, 2013
5 / 5 (3) 3

A microquasar makes a giant Manatee Nebula

(Phys.org)—A new view of a 20,000-year old supernova remnant demonstrates the upgraded imaging power of the National Science Foundation's (NSF) Karl G. Jansky Very Large Array (VLA) and provides more clues ...

Jan 19, 2013
4.9 / 5 (9) 0 | with audio podcast

The supernova that cried wolf

(Phys.org)—Astronomers are announcing today that a massive star, which they have watched repeatedly mimic a supernova since 2009, has finally exploded for real. The report is being presented to the American Astronomical ...

Jan 09, 2013
4.9 / 5 (8) 0 | with audio podcast

Researchers try new approach for simulating supernovas

(Phys.org)—Two University of Texas at Arlington researchers want to bridge the gap between what is known about exploding stars and the remnants left behind thousands of years later. So they're trying something new—using ...

Jan 08, 2013
3.7 / 5 (3) 3

Masers in stellar nurseries

(Phys.org)—Astronomers have come to realize that the process of star formation, once thought to consist essentially of just the simple coalescence of material by gravity, occurs in a complex series of stages. ...

Dec 24, 2012
5 / 5 (3) 7 | with audio podcast

One of the largest astronomical images ever made

Looking for a stunning new desktop image to wrap up the year? Try this: it's an amazing panorama of the Cygnus Loop, a supernova remnant located 1,500 light-years away in the constellation (you guessed i ...

Dec 19, 2012
4.5 / 5 (4) 3