Exact(11)
It scrutinizes a patch of some 155,000 stars in the constellations Cygnus and Lyra looking for dips in starlight when planets cross in front of their home stars.
NASA's Kepler spacecraft, to be launched in 2007, will look for the dips in starlight caused by planets passing in front of their parent stars, and could find "hundreds of Earths," said Dr. Charles Beichman of NASA's Jet Propulsion Laboratory.
Its mission is to determine the fraction of stars in the galaxy that harbor Earth-like planets by carrying out a survey of some 150,000 stars in the constellations of Cygnus and Lyra, looking for the dips in starlight caused by planets passing, or transiting, in front of their suns.
Its official mission was to determine the fraction of stars in the galaxy that harbor Earthlike planets by carrying out a survey of some 150,000 stars in the constellations of Cygnus and Lyra, looking for the dips in starlight caused by planets passing, or transiting, in front of their suns.
Kepler monitors tiny dips in starlight that occur when planets pass in front of their stars.
It stares at a fixed patch of sky, watching a field of more than 150,000 stars for the tiny dips in starlight that occur if an orbiting planet passes between a star and the telescope.
Similar(48)
But the dip in starlight from KIC 8462852 does not seem to be the normal pattern for a planet.
The presence of a planet around HD 209458 was confirmed when astronomers measured a dip in starlight each time the object passed in front of the star.
Like Kepler, TESS will search for planets that pass in front of their stars, causing a slight dip in starlight.
Before it was hobbled last year by a broken gyroscope that robbed it of its precision-pointing ability, the Kepler telescope stared at a patch of roughly 150,000 stars and watched for dips in the starlight as planets passed in front.
Before it was hobbled last year by a broken gyroscope that robbed it of its ability to focus on a point in space, the Kepler telescope stared at a patch of roughly 150,000 stars and waited for dips in the starlight as planets passed in front.
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