News tagged with new star

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Galaxy murder mystery

It's the big astrophysical whodunnit. Across the Universe, galaxies are being killed and the question scientists want answered is, what's killing them?

dateJan 17, 2017 in Astronomy
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Outflowing gas in ultraluminous galaxies

Galaxies evolve over billions of years in part through the activity of star formation and their supermassive nuclear black holes, and also by mergers with other galaxies. Some features of galaxies, in particular the strong ...

dateJan 09, 2017 in Astronomy
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What are Magellanic clouds?

Since ancient times, human beings have been staring at the night sky and been amazed by the celestial objects looking back at them. Whereas these objects were once thought to be divine in nature, and later mistaken for comets ...

dateNov 09, 2016 in Astronomy
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Bright binocular nova discovered in Lupus

On September 20, a particular spot in the constellation Lupus the Wolf was blank of any stars brighter than 17.5 magnitude. Four nights later, as if by some magic trick, a star bright enough to be seen in binoculars popped ...

dateSep 26, 2016 in Astronomy
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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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