News tagged with galaxies

Dark matter guides growth of supermassive black holes

Every massive galaxy has a black hole at its center, and the heftier the galaxy, the bigger its black hole. But why are the two related? After all, the black hole is millions of times smaller and less massive than its home ...

dateFeb 18, 2015 in Astronomy
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Black hole chokes on a swallowed star

A five-year analysis of an event captured by a tiny telescope at McDonald Observatory and followed up by telescopes on the ground and in space has led astronomers to believe they witnessed a giant black hole tear apart a ...

dateJan 26, 2015 in Astronomy
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Where do stars form in merging galaxies?

Collisions between galaxies, and even less dramatic gravitational encounters between them, are recognized as triggering star formation. Observations of luminous galaxies, powered by starbursts, are consistent with this conclusion. ...

dateMar 02, 2015 in Astronomy
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Astronomers find unexpected 'storm' at galaxy's core

Astronomers using the National Science Foundation's Very Large Array (VLA) found surprisingly energetic activity in what they otherwise considered a "boring" galaxy, and their discovery provides important insight on how supermassive ...

dateFeb 11, 2015 in Astronomy
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Looking deeply into the universe in 3-D

The MUSE instrument on ESO's Very Large Telescope has given astronomers the best ever three-dimensional view of the deep Universe. After staring at the Hubble Deep Field South region for only 27 hours, the new observations ...

dateFeb 26, 2015 in Astronomy
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