Astrophysical Journal

Pan-STARRS finds a 'lost' supernova

(Phys.org) —The star Eta Carinae is ready to blow. 170 years ago, this 100-solar-mass object belched out several suns' worth of gas in an eruption that made it the second-brightest star after Sirius. That ...

Mar 07, 2013
4.8 / 5 (8) 1 | with audio podcast

Kepler provides insights into unusual dwarf star

(Phys.org) —Astronomer John Gizis of the University of Delaware, working with data obtained by the Kepler mission, is studying a highly unusual dwarf star and its powerful flares that may hold clues to the ...

Jun 03, 2013
4.1 / 5 (9) 10 | with audio podcast

The violent birth of neutron stars

(Phys.org) —A team of researchers at the Max Planck Institute for Astrophysics conducted the most expensive and most elaborate computer simulations so far to study the formation of neutron stars at the ...

Jun 27, 2013
5 / 5 (13) 4 | with audio podcast

Vela Pulsar

(Phys.org)—This movie from NASA's Chandra X-ray Observatory shows a fast moving jet of particles produced by a rapidly rotating neutron star, and may provide new insight into the nature of some of the densest ...

Jan 08, 2013
5 / 5 (8) 6 | with audio podcast

Quasar observed in six separate light reflections

(Phys.org) —Quasars are active black holes—primarily from the early universe. Using a special method where you observe light that has been bent by gravity on its way through the universe, a group of physics ...

Aug 07, 2013
5 / 5 (10) 61 | with audio podcast

One supernova type, two different sources

The exploding stars known as Type Ia supernovae serve an important role in measuring the universe, and were used to discover the existence of dark energy. They're bright enough to see across large distances, ...

May 07, 2012
5 / 5 (4) 21 | with audio podcast

Revealing a mini-supermassive black hole

One of the lowest mass supermassive black holes ever observed in the middle of a galaxy has been identified, thanks to NASA's Chandra X-ray Observatory and several other observatories. The host galaxy is ...

Oct 24, 2012
4.5 / 5 (4) 4 | with audio podcast