Astronomy news

Why can't we see the center of the Milky Way?

For millennia, human beings have stared up at the night sky and stood in awe of the Milky Way. Today, stargazers and amateur astronomers continue in this tradition, knowing that what they are witnessing is in fact a collection ...

dateJul 10, 2015 in Astronomy
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Distant black hole wave twists like giant whip

Fast-moving magnetic waves emanating from a distant supermassive black hole undulate like a whip whose handle is being shaken by a giant hand, according to a new study using data from the National Radio Astronomy Observatory's ...

dateJul 10, 2015 in Astronomy
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Swift satellite reveals a black hole bull's-eye

What looks like a shooting target is actually an image of nested rings of X-ray light centered on an erupting black hole. On June 15, NASA's Swift satellite detected the start of a new outburst from V404 Cygni, where a black ...

dateJul 09, 2015 in Astronomy
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Ancient black hole defied rules of galaxy formation

Black holes can be found at the centres of most galaxies. Most have little mass compared with their host galaxy. ETH researchers, however, have discovered a particularly massive black hole, which clearly grew so quickly that ...

dateJul 09, 2015 in Astronomy
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Huge new survey to shine light on dark matter

The first results have been released from a major new dark matter survey of the southern skies using ESO's VLT Survey Telescope (VST) at the Paranal Observatory in Chile. The VST KiDS survey will allow astronomers to make ...

dateJul 09, 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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How neutron stars can break up clusters

A supernova explosion at the end of a large star's life can leave the collapsed core, or neutron star, hurtling away from its dust and gas envelope at hundreds of kilometres per second. Now, astronomers have found that even ...

dateJul 09, 2015 in Astronomy
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Radio astronomers see black hole come to life

42 million light years away, 20 million times the mass of the Sun, and coming back to life. A team of radio astronomers, led by Dr Megan Argo of the Jodrell Bank Centre for Astrophysics, are watching a previously dormant ...

dateJul 09, 2015 in Astronomy
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