Scientists used Hubble data to create an image of the planet being swallowed.
8 W4 A6 m% Q; f The Hubble Space Telescope has captured evidence of a Sun-like star "eating" a nearby planet.+ o* k, k# _* z0 Q$ m
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Astronomers knew that stars were capable of swallowing planets in orbit around them, but this is the first time the event has been "seen" so clearly. |# [! _0 ^+ ^. |
& Z, n3 w' z" q, Z# J; e Z Although the planet was too far away for Hubble to photograph, scientists have created an image of it, based on analysis of the telescope's data.
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The discovery was published in the The Astrophysical Journal Letters.$ o0 y9 r3 g" [' }
& \* E. c: }; \' T The researchers say the planet, which is called Wasp-12b, may only have another 10 million years left before it is completely devoured.
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6 ]; `& A$ h: g' p" I% D" @$ g It is so close to its star that it completes an orbit in 1.1 Earth days and is superheated to more than 1,500C.( ` _7 k n9 K# p$ i
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Because of this proximity, the planet's atmosphere has ballooned to nearly three times the radius of Jupiter and is spilling material on to the star.
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8 w) \. @! b w; f/ X# | Carole Haswell from the UK's Open University led the research team. She explained: "We see a huge cloud of material around the planet which is escaping and will be captured by the star."
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! Y8 _+ j ?, P: e" b$ m4 [2 B Hubble's detection of the cloud enabled scientists to draw conclusions about how it was generated.
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2 J0 y; U8 y. ?$ @ Dr Haswell said: "We have identified chemical elements never before seen on planets outside our own Solar System."
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Wasp-12 is a dwarf star located approximately 600 light-years away in the constellation Auriga.
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# D2 ~5 i; u" `$ S, g' N/ X9 | The exoplanet was first discovered by the UK's Wide Area Search for Planets (Wasp) in 2008. |