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On December 20, 2011, the Kepler team announced the discovery of the first Earth-size exoplanets, Kepler-20e [154] and Kepler-20f, [155] orbiting a Sun-like star, Kepler-20. [ 164 ] Based on Kepler's findings, astronomer Seth Shostak estimated in 2011 that "within a thousand light-years of Earth", there are "at least 30,000" habitable planets ...
Both stars are smaller than the Sun; the primary, Kepler-16A, is a K-type main-sequence star and the secondary, Kepler-16B, is an M-type red dwarf. They are separated by 0.22 AU, and complete an orbit around a common center of mass every 41 days. The system is host to one known extrasolar planet in circumbinary orbit: the Saturn-sized Kepler-16b.
Kepler-4 is a G0-type star, which is similar to the Sun, except slightly brighter. The star is 1.117 M sun and 1.555 R sun , or 111% the mass of and 155% the radius of the Sun. [ 5 ] With a metallicity of .09 (± 0.10) [Fe/H], Kepler-4 is more metal-rich than the Sun, a figure that is important in that metal-rich stars tend to have orbiting ...
Kepler mistakenly believed he had captured Mercury moving in orbit across the sun in May 1607, but he later retracted his report 11 years later and determined he had observed a sunspot group.
The images, taken on March 22, 2023, and released Wednesday, showcase different dynamic aspects of the sun, including the movements of its magnetic field and the glow of the ultrahot solar corona ...
Kepler-11, also designated as 2MASS J19482762+4154328, [5] is a Sun-like star slightly larger than the Sun in the constellation Cygnus, located some 2,110 light years from Earth. It is located within the field of vision of the Kepler space telescope , the satellite that NASA 's Kepler Mission uses to detect planets that may be transiting their ...
Kepler-444 (or KOI-3158, KIC 6278762, 2MASS J19190052+4138043, BD+41°3306) [10] is a triple star system, estimated to be 11.2 billion years old (more than 80% of the age of the universe), [12] approximately 119 light-years (36 pc) away from Earth in the constellation Lyra.
Kepler-62 is a K-type main sequence star cooler and smaller than the Sun, located roughly 980 light-years (300 parsecs) from Earth in the constellation Lyra. It resides within the field of vision of the Kepler spacecraft , the satellite that NASA 's Kepler Mission used to detect planets that may be transiting their stars.