Astrophysical Journal

Study explains decades of black hole observations

(Phys.org) —A new study by astronomers at NASA, Johns Hopkins University and Rochester Institute of Technology confirms long-held suspicions about how stellar-mass black holes produce their highest-energy light.

dateJun 14, 2013 in Astronomy
shares0 comments 20

Black hole naps amidst stellar chaos

(Phys.org) —Nearly a decade ago, NASA's Chandra X-ray Observatory caught signs of what appeared to be a black hole snacking on gas at the middle of the nearby Sculptor galaxy. Now, NASA's Nuclear Spectroscopic Telescope ...

dateJun 11, 2013 in Astronomy
shares0 comments 0

Galaxies fed by funnels of fuel

(Phys.org) —Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws.

dateMay 24, 2013 in Astronomy
shares0 comments 36

A hidden population of exotic neutron stars

(Phys.org) —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using NASA's Chandra ...

dateMay 23, 2013 in Astronomy
shares0 comments 6

Theorists weigh in on where to hunt dark matter

(Phys.org) —Now that it looks like the hunt for the Higgs boson is over, particles of dark matter are at the top of the physics "Most Wanted" list. Dozens of experiments have been searching for them, but often come up with ...

dateMay 22, 2013 in General Physics
shares0 comments 21