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Kepler2 has found two new planetary systems with 3 Earth-sized planets and 2 super-Earths

Published: 05 JUNE 2018 08:23PM

Words by Naomi Hunter | News Editor


Kepler2 has found two new planetary systems with 3 Earth-sized planets and 2 super-Earths

In a paper submitted and published in the Astrophysics Journal of Cornell University Library, a team of astrophysicists from the University of Oviedo has detailed an exciting discovery from data gathered by the K2 mission.

"We present two new planetary systems found around cool dwarf stars with data from the K2 mission"

They have discovered two new planetary systems comprising of low mass dwarf stars with transiting exoplanets. The first system called 'K2-XX1' and the second, 'K2-XX2'.

Whilst the names aren't incredibly exciting, the objects orbiting them are very much of interest.

K2-XX1 has three Earth-size transiting planets with radii of 1.1, 1.0 and 1.1, with orbital periods of 5.24, 7.78 and 10.1 days respectively.

K2-XX2 has two transiting super-Earths with radii 2.0 and 1.8 and orbital periods of 6.03 and 20.5 days.

"Low-mass stars are primary targets in the search for Earth-size planets and in the study of their properties."

To date, NASA has discovered 3730 confirmed exoplanets and 2783 planetary systems.

Earth-size and Super Earth-sized planets are of great interest to astrophysicists as these are most likely objects of solid mass that may orbit within habitable zones, have atmospheres of similar composition to our home planet, and may even be home to water and life.

Media Resource://arXiv:1806.01181

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