News tagged with planetary systems

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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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"Electron screening puzzle" solved

The energy production in stars utlimately depends on certain nuclear reactions at energies close to the so-called Gamow-peak that affect strongly the chemical composition of stars and the surrounding planetary systems. These ...

dateFeb 26, 2016 in General Physics
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Largest rocky world found

We thought we understood how big rocky planets can get. But most of our understanding of planetary formation and solar system development has come from direct observation of our own solar system. We simply couldn't see any ...

dateFeb 11, 2016 in Astronomy
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