Astrophysical Journal

Explosion of galaxy formation lit up early universe

(Phys.org)—New data from the South Pole Telescope indicates that the birth of the first massive galaxies that lit up the early universe was an explosive event, happening faster and ending sooner than suspected.

Sep 04, 2012
4.7 / 5 (13) 6 | with audio podcast

Swift, Chandra explore a youthful 'star wreck'

(Phys.org) —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after ...

Mar 15, 2013
4.4 / 5 (14) 0 | with audio podcast

Death by black hole in small galaxy?

(Phys.org) —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra ...

Jan 08, 2014
5 / 5 (12) 31 | with audio podcast

Half of all exoplanet host stars are binaries

(Phys.org) —Imagine living on an exoplanet with two suns. One, you orbit and the other is a very bright, nearby neighbor looming large in your sky. With this "second sun" in the sky, nightfall might be ...

Sep 04, 2014
4.5 / 5 (13) 1