News tagged with dwarf planets

15 new planets confirmed around cool dwarf stars

A research team led by Teruyuki Hirano of Tokyo Institute of Technology's Department of Earth and Planetary Sciences has validated 15 exoplanets orbiting red dwarf systems. One of the brightest red dwarfs, K2-155 that is ...

dateMar 12, 2018 in Astronomy
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When do aging brown dwarfs sweep the clouds away?

Brown dwarfs, the larger cousins of giant planets, undergo atmospheric changes from cloudy to cloudless as they age and cool. A team of astronomers led by Carnegie's Jonathan Gagné measured for the first time the temperature ...

dateFeb 27, 2018 in Astronomy
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Scientist proposes new definition of a planet

Pluto hogs the spotlight in the continuing scientific debate over what is and what is not a planet, but a less conspicuous argument rages on about the planetary status of massive objects outside our solar system. The dispute ...

dateJan 23, 2018 in Astronomy
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