News tagged with galaxies

A black hole story told by a cosmic blob and bubble

Two cosmic structures show evidence for a remarkable change in behavior of a supermassive black hole in a distant galaxy. Using data from NASA's Chandra X-ray Observatory and other telescopes, astronomers are piecing together ...

dateAug 10, 2016 in Astronomy
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How a star cluster ruled out MACHOs

Are massive black holes hiding in the halos of galaxies, making up the majority of the universe's mysterious dark matter? This possibility may have been ruled out by a star cluster in a small galaxy recently discovered orbiting ...

dateAug 10, 2016 in Astronomy
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Among galaxies, a voracious flea

Even a dwarf galaxy with very low mass is capable of accreting smaller nearby galaxies, according to an international team of astronomers led by Francesca Annibali of INAF, the Italian National Institute for Astrophysics. ...

dateAug 10, 2016 in Astronomy
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Image: A Hubble sky full of stars

Located approximately 22,000 light-years away in the constellation of Musca (The Fly), this tightly packed collection of stars—known as a globular cluster—goes by the name of NGC 4833. This NASA/ESA Hubble Space Telescope ...

dateAug 08, 2016 in Astronomy
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A giant stellar void in the Milky Way

A major revision is required in our understanding of our Milky Way Galaxy according to an international team led by Prof Noriyuki Matsunaga of the University of Tokyo. The Japanese, South African and Italian astronomers find ...

dateAug 01, 2016 in Astronomy
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Astronomers uncover hidden stellar birthplace

A team of astronomers from the University of Manchester, the Max Planck Institute for Radio Astronomy and the University of Bonn have uncovered a hidden stellar birthplace in a nearby spiral galaxy, using a telescope in Chile. ...

dateJul 26, 2016 in Astronomy
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