News tagged with stars

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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VLT discovers new kind of globular star cluster

Observations with ESO's Very Large Telescope in Chile have discovered a new class of 'dark' globular star clusters around the giant galaxy Centaurus A. These mysterious objects look similar to normal clusters, but contain ...

dateMay 13, 2015 in Astronomy
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Kepler's six years in science (and counting)

NASA's Kepler spacecraft began hunting for planets outside our solar system on May 12, 2009. From the trove of data collected, we have learned that planets are common, that most sun-like stars have at least one planet and ...

dateMay 13, 2015 in Astronomy
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Delta Cephei's hidden companion

To measure distances in the universe, astronomers use cepheids, a family of variable stars whose luminosity varies with time. Their role as distance calibrators has brought them attention from researchers for more than a ...

dateMay 12, 2015 in Astronomy
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An improved model for star formation

Star formation, once thought to consist essentially of just the simple coalescence of material by gravity, actually occurs in a complex series of stages. As the gas and dust in giant molecular clouds come together into stars, ...

dateMay 08, 2015 in Astronomy
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