News tagged with galaxies

Astronomers unveil the farthest galaxy

An international team of astronomers led by Yale University and the University of California-Santa Cruz have pushed back the cosmic frontier of galaxy exploration to a time when the universe was only 5% of its present age.

dateMay 05, 2015 in Astronomy
shares3577 comments 71

Image: Hubble eyes galactic refurbishment

The smudge of stars at the center of this NASA/ESA Hubble Space Telescope image is a galaxy known as UGC 5797. UGC 5797 is an emission line galaxy, meaning that it is currently undergoing active star formation. The result ...

dateMay 04, 2015 in Astronomy
shares36 comments 1

NuSTAR captures possible 'screams' from zombie stars

Peering into the heart of the Milky Way galaxy, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) has spotted a mysterious glow of high-energy X-rays that, according to scientists, could be the "howls" of dead stars as ...

dateApr 30, 2015 in Astronomy
shares1917 comments 5

The Dark Matter 'conspiracy'

Surprising gravitational similarities between spiral and elliptical galaxies have been discovered by an international team, including astronomers from Swinburne University of Technology, implying the influence of hidden forces.

dateApr 30, 2015 in Astronomy
shares2584 comments 268

Birth of a radio phoenix

Abell 1033 is a cluster of over 350 galaxies located about 1.7 billion light-years away. Collisions between galaxies in clusters are common events, and each merger heats and shocks the nearby gas. The rapidly moving, ionized ...

dateApr 28, 2015 in Astronomy
shares57 comments 6

The riddle of galactic thin–thick disk solved

A long-standing puzzle regarding the nature of disk galaxies has finally been solved by a team of astronomers led by Ivan Minchev from the Leibniz Institute for Astrophysics Potsdam (AIP), using state-of-the-art theoretical ...

dateApr 24, 2015 in Astronomy
shares127 comments 7