News tagged with new star

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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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The turbulent interstellar medium

The gas in galaxies is typically seen to be moving at very rapid, even supersonic velocities, providing clear evidence that the medium is highly turbulent. Looking more closely at gas clouds in our own Milky Way, astronomers ...

dateMay 09, 2016 in Astronomy
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Star formation in distant galaxy clusters

The first stars appeared about one hundred million years after the big bang, and ever since then stars and star formation processes have lit up the cosmos, producing heavy elements, planets, black holes, and arguably all ...

dateFeb 15, 2016 in Astronomy
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