News tagged with galaxies

Cause of galactic death: Strangulation

As murder mysteries go, it's a big one: how do galaxies die and what kills them? A new study, published today in the journal Nature, has found that the primary cause of galactic death is strangulation, which occurs after ...

dateMay 13, 2015 in Astronomy
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How the brightest lights in the universe 'flicker'

Active galactic nuclei are the brightest objects in the universe. They are not lit up permanently, but rather 'flicker' extremely slowly. This insight helps ETH researchers better understand the influence these nuclei and ...

dateJun 24, 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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Giant galaxy is still growing

New observations with ESO's Very Large Telescope have revealed thatthe giant elliptical galaxy Messier 87 has swallowed an entire medium-sized galaxy over the last billion years. For the first time a team of astronomers has ...

dateJun 25, 2015 in Astronomy
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Astronomers teach a machine to analyse galaxy images

A team of astronomers and computer scientists at the University of Hertfordshire have taught a machine to 'see' astronomical images. The technique, which uses a form of artificial intelligence called unsupervised machine ...

dateJul 08, 2015 in Astronomy
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A galaxy in bloom: New Hubble snap of ESO 381-12

The ghostly shells of galaxy ESO 381-12 are captured here in a new image from the NASA/ESA Hubble Space Telescope, set against a backdrop of distant galaxies. The strikingly uneven structure and the clusters of stars that ...

dateJul 09, 2015 in Astronomy
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