News tagged with galaxies

Why do some galaxies stop making new stars?

Galaxies are star-making machines, churning out new stars fuelled by cold gas collapsing under the force of gravity. Some galaxies can produce hundreds of new stars in a single year, and individual galaxies can contain many ...

dateJul 13, 2016 in Astronomy
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Study explains why galaxies stop creating stars

Galaxies come in three main shapes - elliptical, spiral (such as the Milky Way) and irregular. They can be massive or small. To add to this mix, galaxies can also be blue or red. Blue galaxies are still actively forming stars. ...

dateJul 08, 2016 in Astronomy
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Image: Hubble hotbed of vigorous star formation

This NASA/ESA Hubble Space Telescope image reveals the iridescent interior of one of the most active galaxies in our local neighborhood—NGC 1569, a small galaxy located about eleven million light-years away in the constellation ...

dateJul 01, 2016 in Astronomy
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