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KOI-4878.01: Kepler’s Most Earth-like Planet Candidate?

5 Sep 2019, 06:36 UTC
KOI-4878.01: Kepler’s Most Earth-like Planet Candidate? NASA Ames/SETI Institute/JPL–Caltech

Launched on March 7, 2009, the objective of NASA’s Kepler mission was to observe the brightness of 150,000 stars in a 115 square degree patch of sky in the constellations of Cygnus and Lyra looking for periodic dips indicative of transiting exoplanets. The goal was to create a large database of exoplanets allowing scientists to explore the structure and diversity of planetary systems. Kepler’s design and observing strategy was tailored to allow the detection of Earth-size planets in Earth-like orbits around Sun-like stars with an apparent magnitude as dim as 12.

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