News tagged with giant star

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Hidden secrets of Orion's clouds

This spectacular new image is one of the largest near-infrared high-resolution mosaics of the Orion A molecular cloud, the nearest known massive star factory, lying about 1350 light-years from Earth. It was taken using the ...

dateJan 04, 2017 in Astronomy
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Solved: One of the mysteries of globular clusters

A study shows that the most massive stars in the last stages of their lives are those which contaminate the interstellar medium with new chemical elements, giving rise to successive generations of stars in these 'astronomical ...

dateNov 08, 2016 in Astronomy
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What happens when galaxies collide?

We don't want to scare you, but our own Milky Way is on a collision course with Andromeda, the closest spiral galaxy to our own. At some point during the next few billion years, our galaxy and Andromeda – which also happen ...

dateOct 03, 2016 in Astronomy
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Stellar outburst brings water snowline into view

A violent outburst by the young star V883 Orionis has given astronomers their first view of a water "snowline" in a protoplanetary disk - the transition point around the star where the temperature and pressure are low enough ...

dateJul 13, 2016 in Astronomy
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K2-39b: A planet that shouldn't be there at all

(Phys.org)—An international team of astronomers has reported the discovery of a new giant extrasolar planet orbiting a subgiant star so closely that it should be destroyed due to tidal interactions. However, against all ...

dateJun 23, 2016 in Astronomy weblog
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Newborn giant planet grazes its star

For the past 20 years, exoplanets known as 'hot Jupiters' have puzzled astronomers. These giant planets orbit 100 times closer to their host stars than Jupiter does to the Sun, which increases their surface temperatures. ...

dateJun 21, 2016 in Astronomy
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