News tagged with stars

VISTA discovers new component of Milky Way

Astronomers using the VISTA telescope at ESO's Paranal Observatory have discovered a previously unknown component of the Milky Way. By mapping out the locations of a class of stars that vary in brightness called Cepheids, ...

dateOct 28, 2015 in Astronomy
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X-ray emission from massive stars

Massive young stars are known to emit strong X-rays. Unlike the X-ray emission from lower mass stars, however, which arises in stellar photospheres, the X-rays from massive stars are thought to result from powerful shocks. ...

dateOct 26, 2015 in Astronomy
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Final kiss of two stars heading for catastrophe

Using ESO's Very Large Telescope, an international team of astronomers have found the hottest and most massive double star with components so close that they touch each other. The two stars in the extreme system VFTS 352 ...

dateOct 21, 2015 in Astronomy
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Mysterious star stirs controversy

Mysterious light on a distant star could be a sign of alien civilisation, some astronomers have claimed, stirring controversy among their peers. Not so fast, said NASA.

dateOct 20, 2015 in Astronomy
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Hubble sees an aging star wave goodbye

This planetary nebula is called PK 329-02.2 and is located in the constellation of Norma in the southern sky. It is also sometimes referred to as Menzel 2, or Mz 2, named after the astronomer Donald Menzel who discovered ...

dateOct 12, 2015 in Astronomy
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Searching for orphan stars amid starbirth fireworks

A new Gemini Observatory image reveals the remarkable "fireworks" that accompany the birth of stars. The image captures in unprecedented clarity the fascinating structures of a gas jet complex emanating from a stellar nursery ...

dateSep 30, 2015 in Astronomy
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Discovery of the companions of millisecond pulsars

When a star with a mass of roughly ten solar masses finishes its life, it does so in a spectacular explosion known as a supernova, leaving behind as remnant "ash" a neutron star. Neutron stars have masses of one-to-several ...

dateSep 28, 2015 in Astronomy
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