Nasa Announcement Habitable Planet Dr Michael Salla Discussing Et Existence
Extend UnitNASA NewsTrent J. PerrottoStand, Washington 202-358-0321trent.j.perrotto@nasa.gov Michele JohnsonAmes Groundwork Headquarters, Moffett Area, Calif. 650-604-6982michele.johnson@nasa.gov Dec. 5, 2011 Free : 11-408 NASA's Kepler Confirms Its Crown Globe in Fit for human habitation Vicinity of Sun-Like Call MOFFET Area, Calif. -- NASA's Kepler post has veritable its first planet in the "habitable zone," the zone everyplace soft water may perhaps exist on a planet's catnap. Kepler moreover has bare above than 1,000 new planet candidates, virtually doubling its more willingly than frequent count. Ten of these candidates are near-Earth-size and revolve in the habitable zone of their initiate star. Candidates intend notes observations to promise they are restore planets.The just this minute veritable planet, Kepler-22b, is the smallest possible yet found to revolve in the plan of the habitable zone of a star fitting to our sun. The planet is about 2.4 era the radius of Soil. Scientists don't yet let the cat out of the bag if Kepler-22b has a mainly wobbly, gaseous or soft construction, but its discovery is a step earlier to sighting Earth-like planets. Previous research not explicit at the existence of near-Earth-size planets in habitable zones, but clear sponsor proved cagey. Two other small planets orbiting stars slighter and cooler than our sun fair were veritable on the very edges of the habitable zone, with orbits above spot on border on community of Venus and Mars. "This is a crucial innovatory on the stalk to sighting Earth's twin," believed Douglas Hudgins, Kepler program scientist at NASA Stand in Washington. "Kepler's consequences uphold to make clear the importance of NASA's science missions, which aim to answer convinced of the chief questions about our situation in the universe."Kepler discovers planets and planet candidates by measuring dips in the blithe of above than 150,000 stars to search for planets that go on a journey in front, or "transit," the stars. Kepler requires at least amount three transits to promise a signal as a planet."Doom smiled upon us with the recall of this planet," believed William Borucki, Kepler top investigator at NASA Ames Groundwork Headquarters at Moffett Area, Calif., who led the team that bare Kepler-22b. "The first transit was captured austerely three time after we avowed the spacecraft operationally strong-smelling. We witnessed the central third transit over the 2010 call in on idea."The Kepler science team uses ground-based telescopes and the Spitzer Have time out Psychoanalyst to review observations on planet candidates the spacecraft finds. The star column that Kepler observes in the constellations Cygnus and Lyra can by yourself be seen from ground-based observatories in considerably through immature fall. The data from these other observations assist moderator which candidates can be validated as planets. Kepler-22b is sited 600 light-years sideways. Given that the planet is copious than Soil, its revolve of 290 time around a sun-like star resembles that of our world. The planet's initiate star belongs to the self-same class as our sun, called G-type, even though it is exactly slighter and cooler. Of the 54 habitable zone planet candidates reported in February 2011, Kepler-22b is the first to be veritable. This innovatory motivation be published in The Lunar Look at.The Kepler team is hosting its inaugural science conference at Ames Dec. 5-9, announcing 1,094 new planet leader of the opposition discoveries. To the same extent the last catalog was released in February, the think of planet candidates identified by Kepler has bigger by 89 percent and now totals 2,326. Of these, 207 are near Earth-size, 680 are super Earth-size, 1,181 are Neptune-size, 203 are Jupiter-size and 55 are copious than Jupiter.The findings, based on observations conducted May 2009 to September 2010, show a impressive development in the end up of smaller-size planet candidates. Kepler observed assorted brawny planets in small orbits immature in its post, which were reflected in the February data release. Having had above time to analyze three transits of planets with longer orbital periods, the new data end in that planets one to four era the extent of Soil may be opulent in the galaxy. The think of Earth-size and super Earth-size candidates has bigger by above than 200 and 140 percent bearing in mind February, each. Current are 48 planet candidates in their star's habitable zone. Given that this is a reduction from the 54 reported in February, the Kepler team has realistic a stricter demarcation of what constitutes a habitable zone in the new catalog, to class for the warming occupation of atmospheres, which would move the zone sideways from the star, out to longer orbital periods. "The great amplification in the think of Earth-size candidates tells us that we're honing in on the planets Kepler was believed to detect: community that are not by yourself Earth-size, but moreover are potentially habitable," believed Natalie Batalha, Kepler deputy science team move along at San Jose Utter Academy in California. "The above data we organize, the keener our eye for sighting the smallest possible planets out at longer orbital periods." For above information about the Kepler post and to be on your feet the digital press kit, visit: http://www.nasa.gov/kepler - end -SOURCE: HTTP://WWW.NASA.GOV/HOME/HQNEWS/2011/DEC/HQ 11-408 KEPLER HABITABLE PLANET.HTML
Posted by Unknown
|
at
8:33 AM
