News tagged with planetary systems

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Resolving the planetesimal belt around HR8799

Planets develop from the dusty placental disk of material that surrounds a star after it begins to shine. The dust in that disk, according to most models, starts to stick to itself until clumps develop large enough to attract ...

dateAug 15, 2016 in Astronomy
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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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