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Instead of Losing its Atmosphere, an Exoplanet Puffed Up and Held Onto it

Instead of Losing its Atmosphere, an Exoplanet Puffed Up and Held Onto it
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Sam grunblattShreyas vissapragadaSteven giacaloneJosephm akana murphyAshley chontosWilliamh millerDepartment of physicsResearch fellow nicholas saundersExoplanet survey satelliteSolar systemJohns hopkins university ledFellows shreyas vissapragadaAstrophysical journalTransiting giantsTransiting exoplanet survey satelliteHigh resolution echelle spectrometer

Weird new planet retained atmosphere despite nearby star s relentless radiation

A rare exoplanet that should have been stripped down to bare rock by its nearby host star s intense radiation somehow grew a puffy atmosphere instead the latest in a string of discoveries forcing scientists to rethink theories about how planets age and die in extreme environments. Nicknamed Phoenix for its ability to survive its red giant star s radiant energy discovered planet illustrates the vast diversity of solar systems and the complexity of planetary evolution especially at the end of stars lives.

California institute of technologyUnited statesSam grunblattMason macdougallAshley chontosDaniel thorngrenShreyas vissapragadaStephanie yoshidaAndreww howardHoward isaacsonEmma turtelboomLos angelesRuth angusKevin schlaufmanSteven giacaloneJosephm akana murphy

Scientists discover planet spiraling toward star and dying after collision

Scientists discover planet spiraling toward star and dying after collision
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Shreyas vissapragada

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United statesSmithsonian institutionDistrict of columbiaUnited kingdomWhite houseCiudad de la habanaSan diegoSan franciscoJohn semmensE pluribus unumAnthonyb sandersJames okeefeMaceo wigginsRonny reyesAdam schiffHumberto fontavo

Alien planet found spiraling to its doom around an aging star

The discovery offers new insights into the long-winded process of planetary orbital decay by providing the first look at a system at this late stage of evolution

United statesShreyas vissapragadaHarvard smithsonianExoplanet survey telescopeAstrophysical journalPalomar observatoryHale telescopeSouthern californiaTransiting exoplanet survey telescope