NASAs Kepler mission blasts off in search of Earth-like planetsMarch 7th, 2009 - 2:15 pm ICT by ANI
Washington, March 7 (ANI): NASAs Kepler mission, which would search other Earth-like planets, has been successfully launched into space from Cape Canaveral Air Force Station, Florida, US, aboard a United Launch Alliance Delta II.
Kepler is designed to find the first Earth-size planets orbiting stars at distances where water could pool on the planets surface. Liquid water is believed to be essential for the formation of life.
It was a stunning launch, said Kepler Project Manager James Fanson of NASAs Jet Propulsion Laboratory in Pasadena, California.
Our team is thrilled to be a part of something so meaningful to the human race - Kepler will help us understand if our Earth is unique or if others like it are out there, he added.
Engineers acquired a signal from Kepler at 12:11 a.m. on March 7th, after it separated from its spent third-stage rocket and entered its final sun-centered orbit, trailing 950 miles behind Earth.
The spacecraft is generating its own power from its solar panels.
Kepler now has the perfect place to watch more than 100,000 stars for signs of planets, said William Borucki, the missions science principal investigator at NASAs Ames Research Center at Moffett Field, California.
Everyone is very excited as our dream becomes a reality. We are on the verge of learning if other Earths are ubiquitous in the galaxy, he added.
Engineers have begun to check Kepler to ensure it is working properly, a process called commissioning that will take about 60 days.
In about a month or less, NASA will send up commands for Kepler to eject its dust cover and make its first measurements.
After another month of calibrating Keplers single instrument, a wide-field charge-couple device camera, the telescope will begin to search for planets.
The first planets to roll out on the Kepler assembly line are expected to be the portly hot Jupiters - gas giants that circle close and fast around their stars.
Neptune-size planets will most likely be found next, followed by rocky ones as small as Earth.
The true Earth analogs - Earth-sized planets orbiting stars like our sun at distances where surface water, and possibly life, could exist - would take at least three years to discover and confirm.
Ground-based telescopes also will contribute to the mission by verifying some of the finds.
In the end, Kepler will give us our first look at the frequency of Earth-size planets in our Milky Way galaxy, as well as the frequency of Earth-size planets that could theoretically be habitable. (ANI)
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