K2-415b, as the newly discovered world has been named, orbits the nearby red dwarf star K2-415. Researchers identified the exoplanet in the data of NASA's now-defunct Kepler space telescope, its secondary mission K2, and its successor, the Transiting Exoplanet Survey Satellite .
"The K2-415 system is unique in that K2-415 is one of the coolest, or lowest-mass, stars known to host an exoplanet," Teruyuki Hirano of the Graduate University for Advanced Studies (SOKENDAI) in Japan, lead author on a paper about the discovery, told Space.com.
New Earth-sized exoplanet detected in the solar neighborhood
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Scientists Discover Earth-sized Exoplanet Nearby in the Solar System – CityLife
A new exoplanet named K2-415b which is roughly 70 light years from the sun and has the size of Earth has been found by astronomers. The Transiting Exoplanet Survey Satellite ( TESS ) and NASA’s Kepler spacecraft were used to make the discovery.
However, the Kepler project was repurposed as K2 to carry out high-precision photometry of certain regions in the ecliptic. This happened after its own two reaction wheels failed in 2013.
Four classes of planetary systems -- ScienceDaily
In our solar system, everything seems to be in order: The smaller rocky planets, such as Venus, Earth or Mars, orbit relatively close to our star. The large gas and ice giants, such as Jupiter, Saturn or Neptune, on the other hand, move in wide orbits around the sun.
"More than a decade ago, astronomers noticed, based on observations with the then groundbreaking Kepler telescope, that planets in other systems usually resemble their respective neighbours in size and mass – like peas in a pod," says study lead author Lokesh Mishra, researcher at the ...
Curious Kids: why do we think there is a possible Planet X?
Postdoctoral Research Fellow, Centre for Astrophysics and Supercomputing, Swinburne University of Technology
Sara Webb does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.
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