NASA announces over 200 new planet candidates outside solar system

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US space agency NASA announced that its Kepler space telescope has discovered 219 new planet candidates
US space agency NASA announced that its Kepler space telescope has discovered 219 new planet candidates

Washington : US space agency NASA announced that its Kepler space telescope has discovered 219 new planet candidates outside our Solar System.

"Of those, 10 are the near-Earth size and orbiting in their star's habitable zone, which is the range of distance from a star where liquid water could pool on the surface of a rocky planet to support life," Xinhua news cited a NASA statement on Monday.

With the latest release, Kepler has detected a total of 4,034 planet candidates, of which 2,335 have been verified as exoplanets.

Of roughly 50 near-Earth-size habitable zone candidates detected by Kepler, more than 30 have been verified.

"This is the most comprehensive and detailed catalogue release of candidate exoplanets, which are planets outside our solar system, from Kepler's first four years of data," NASA said in a statement.

"It's also the final catalogue from the spacecraft's view of the patch of sky in the Cygnus constellation," it said.

The Kepler spacecraft was launched in 2009. Its mission is to search the nearby region of our galaxy for exoplanets by detecting a transit, or the minuscule drop in a star's brightness that occurs when a planet crosses in front of it.

Another study using Kepler data suggested two distinct size groupings of small planets: rocky Earth-like bodies and gaseous planets smaller than Jupiter. Few planets were found between those groupings.

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