description K2-3 b Overview
A super-Earth exoplanet discovered in 2015 by NASA's K2 mission, notable for orbiting a nearby red dwarf star and being a prime candidate for atmospheric characterization.
help K2-3 b FAQ
How was K2-3 b discovered?
K2-3 b was discovered in 2015 using data from NASA's K2 mission. The mission detected the planet as it passed in front of its nearby red dwarf star.
What type of planet is K2-3 b?
It is classified as a super-Earth, meaning it is larger or more massive than Earth but smaller than the ice giants in our Solar System. It orbits a nearby red dwarf.
Why is K2-3 b interesting for atmospheric research?
Its nearby host star makes the system useful for follow-up observations. K2-3 b has been considered a candidate for atmospheric characterization because astronomers can study how starlight interacts with its atmosphere during transit.
Does K2-3 b orbit a Sun-like star?
No. It orbits a red dwarf, which is smaller and cooler than the Sun. That host-star type is common among nearby planetary systems studied by missions such as K2.
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