News tagged with host star

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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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Hubble observes calcium-rich supernovae

The NASA/ESA Hubble Space Telescope offers a multitude of spectacular images of celestial objects and a huge amount of scientific data helpful for astronomers. A team of scientists from UK and Sweden has recently made use ...

dateMar 02, 2016 in Astronomy report
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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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A hot Jupiter around a sun-like star

There are almost 1800 confirmed exoplanets known today, and over 4000 exoplanet candidates. Astronomers have obtained estimates for the masses and radii (and hence the average densities) of over four hundred of these confirmed ...

dateNov 18, 2015 in Astronomy
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Young gas giants fly close to their suns

Hot Jupiters, giant Jupiter-like exoplanets that orbit 20 times closer to their host stars than the Earth does to the Sun, can form and migrate towards their infant stars in as little as a few million years, researchers at ...

dateSep 09, 2015 in Astronomy
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