News tagged with galaxies

The cosmic evolution of galaxies

Our knowledge of the big bang has increased dramatically in the past decade, as satellites and ground-based studies of the cosmic microwave background have refined parameters associated with the very early universe, achieving ...

dateMay 11, 2015 in Astronomy
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Hubble Finds Giant Halo Around the Andromeda Galaxy

Scientists using NASA's Hubble Space Telescope have discovered that the immense halo of gas enveloping the Andromeda galaxy, our nearest massive galactic neighbor, is about six times larger and 1,000 times more massive than ...

dateMay 07, 2015 in Astronomy
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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
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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
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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
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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
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