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NASA’s Kepler Telescope Discovers First Earth-Size Planet in ‘Habitable Zone’

By Guest PostApril 17, 2014Sciencebernd becker, capitalist family values, constellation cygnus, debat o meter, earth size planet, echtzeit, first, habitable zone, johnathan davis, kepler telescope, michael cohea, milky way galaxy, NASA, paul hertz, thomas barclay, uwe wagschal

Using NASA’s Kepler Space Telescope, astronomers have discovered the first Earth-size planet orbiting a star in the “habitable zone” — the range of distance from a star where liquid water might pool on the surface of an orbiting planet. The discovery of Kepler-186f confirms that planets the size of Earth exist in the habitable zone of stars other than our sun.

While planets have previously been found in the habitable zone, they are all at least 40 percent larger in size than Earth, and understanding their makeup is challenging. Kepler-186f is more reminiscent of Earth. (more…)

Cloud modeling expands estimate of life-supporting planets

By Guest PostJuly 2, 2013Sciencebrazil, cloud cover, cloud modeling, dark side, dorian abbot, dwarf stars, earth like planets, earth size planet, global climate simulation, indonesia, james webb, jun yang, kepler mission, larger habitable zone, life supporting planets, milky way galaxy, NASA, nicolas cowan, northwestern university, one dimensional, space telescope, sub stellar region, thermostat, university of chicago

Larger habitable zone suggests 60 billion planets could sustain water, life

A new study that calculates the influence of cloud behavior on climate doubles the number of potentially habitable planets orbiting red dwarfs, the most common type of star in the universe. This finding means that in the Milky Way galaxy alone, 60 billion planets may be orbiting red dwarf stars in the habitable zone.

Researchers at the University of Chicago and Northwestern University based their study, which appears in Astrophysical Journal Letters, on rigorous computer simulations of cloud behavior on alien planets. This cloud behavior dramatically expanded the estimated habitable zone of red dwarfs, which are much smaller and fainter than stars like the sun. (more…)

Earth-Size Planet Candidates Found in Habitable Zone

By Guest PostFebruary 3, 2011Scienceames research center, charles bolden, constellations, cygnus, earth size planet, extraterrestrial planets, Galaxy, habitable zone, jack lissauer, kepler, kepler 11, kepler 11b, kepler mission, liquid water, lyra, moffett field, NASA, science fiction, space telescope, star, william borucki

PASADENA, Calif. — NASA’s Kepler mission has discovered its first Earth-size planet candidates and its first candidates in the habitable zone, a region where liquid water could exist on a planet’s surface. Five of the potential planets are near Earth-size and orbit in the habitable zone of smaller, cooler stars than our sun.

Candidates require follow-up observations to verify they are actual planets. Kepler also found six confirmed planets orbiting a sun-like star, Kepler-11. This is the largest group of transiting planets orbiting a single star yet discovered outside our solar system. (more…)

Tag Archives: earth size planet

NASA’s Kepler Telescope Discovers First Earth-Size Planet in ‘Habitable Zone’

Cloud modeling expands estimate of life-supporting planets

Earth-Size Planet Candidates Found in Habitable Zone