News tagged with extrasolar planets

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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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How planetary age reveals water content

Water is necessary for life as we know it, but too much water is bad for habitability. Therefore, to study the habitability of extrasolar planets, determining the abundance of water is a key element. Yann Alibert, Science ...

dateJun 30, 2016 in Astronomy
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K2-39b: A planet that shouldn't be there at all

(Phys.org)—An international team of astronomers has reported the discovery of a new giant extrasolar planet orbiting a subgiant star so closely that it should be destroyed due to tidal interactions. However, against all ...

dateJun 23, 2016 in Astronomy weblog
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Theft behind Planet 9 in our solar system

Through a computer-simulated study, astronomers at Lund University in Sweden show that it is highly likely that the so-called Planet 9 is an exoplanet. This would make it the first exoplanet to be discovered inside our own ...

dateMay 31, 2016 in Astronomy
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