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Lifting Space Exploration to New Heights

By Guest PostOctober 23, 2011Sciencealien planets, atmosphere, chris walker, craig kulesa, evolution and architecture of planetary systems, exoplanetary circumstellar environments and disk explorer, explorer, george rieke, glenn schneider, glow of the sky at sundown, habitable zone, high altitude balloon, laird close, large magellanic cloud, michael lesser, milky way galaxy, NASA, olivier guyon, philip hinz, research balloon, roger angel, signposts, space telescope, steward observatory, stratospheric thz observatory, university of arizona, zodiacal light

*A new space telescope designed to peer into the inner reaches of far-away solar systems and a balloon riding the jet stream 120,000 feet above ground are two UA research proposals selected by NASA for further evaluation as potential future science missions.*

A research balloon circling the Earth in the outer fringes of the atmosphere and a space telescope peering through the dust swirls of far-away solar systems in search of alien planets are among the winning proposals selected by NASA for further study as part of NASA’s Explorer Mission program.

Both project proposals, called EXCEDE and GUSSTO, are led by astronomers at the University of Arizona’s Steward Observatory and are among 11 selected by NASA for evaluation as potential future science missions. (more…)

NASA’s Kepler Discovery Confirms First Planet Orbiting Two Stars

By Guest PostSeptember 16, 2011Sciencebinary system, double sunset, Galaxy, gravitational pull, gravitational tug on stars, habitable zone, john knoll, kepler 16b, kepler mission, kepler space telescope, laurance doyle, NASA, planet orbiting two stars, san francisco, saturn, star wars, tatooine, visual effects, william borucki

PASADENA, Calif. — The existence of a world with a double sunset, as portrayed in the film Star Wars more than 30 years ago, is now scientific fact. NASA’s Kepler mission has made the first unambiguous detection of a circumbinary planet — a planet orbiting two stars — 200 light-years from Earth.

Unlike Star Wars’ Tatooine, the planet is cold, gaseous and not thought to harbor life, but its discovery demonstrates the diversity of planets in our galaxy. Previous research has hinted at the existence of circumbinary planets, but clear confirmation proved elusive. Kepler detected such a planet, known as Kepler-16b, by observing transits, where the brightness of a parent star dims from the planet crossing in front of it. (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: habitable zone

Lifting Space Exploration to New Heights

NASA’s Kepler Discovery Confirms First Planet Orbiting Two Stars

Earth-Size Planet Candidates Found in Habitable Zone