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Planet near a bright orange star. The planet's atmosphere is streaming off the planet, away from the star. A small purple dot is in a square in the upper left. That inset is a real image from Chandra X-ray Observatory.

Planet near a bright orange star. The planet's atmosphere is streaming off the planet, away from the star. A small purple dot is in a square in the upper left. That inset is a real image from Chandra X-ray Observatory.

This is an artist's concept of #TOI1227b, which is gradually losing its #atmosphere and shrinking in size due to X-ray #radiation from its star. Its atmosphere will likely entirely disappear about a billion years from now. 🔭
buff.ly/sK77BPv

📸 NASA/ CXC/ RIT/ A. Varga et al./ SAO/ M. Weiss/ N. Wolk.

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Une jeune exoplanète TOI 1227 b est littéralement grignotée par les puissants rayons X de son étoile, en temps réel.
www.futura‑sciences.com/sciences/act...
#Space #Astronomy #Astrophysics #TOI1227b #XrayEvaporation #PlanetaryDestruction

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Un bébé exoplanète, TOI 1227 b (8 M ans), est en train de se faire grignoter par des rayons X violents : un spectacle fascinant.
www.telepro.be/mon-telepro/...
#Space #Science #Astrophysics #TOI1227b #XRayErosion #EvaporatingPlanet #PlanetaryEvolution

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Preview
C’è un baby pianeta che si sta rimpicciolendo Toi 1227 b, un giovanissimo esopianeta di circa 8 milioni di anni, orbita molto vicino a una nana rossa, a 330 anni luce dalla Terra. L'Osservatorio Chandra della Nasa ha riscontrato che i raggi X eme...

«Il futuro di questo pianeta neonato non promette nulla di buono», dice Alexander Binks dell’Università Eberhard Karls di Tubinga. « #TOI1227b potrebbe ridursi a circa un decimo delle sue dimensioni attuali e perdere oltre il 10 per cento della sua massa».

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