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Kepler-186f ~ The first known Earth-size planet to lie within the habitable zone of a star beyond the Sun. Discovered using data from the prolific planet-hunting Kepler spacecraft, the distant world orbits its parent star, a cool, dim, M dwarf star about half the size and mass of the Sun, some 500 light-years away from us, in the constellation Cygnus. While the size and orbit of Kepler-186f are known, its mass and composition are not, and can't be determined by Kepler's transit technique…

Blue Nebula In astronomy, reflection nebulae are clouds of interstellar dust which reflect the light of a nearby star or stars

Gas, Dust & Stars. And we, in our infinite wisdom, say "Is that all there is?" How simple we are in our thinking.