Discovery demonstrates Earth-like planets 'are out there'

Nasa research scientist Tom Barclay has said that the hopes of the Kelper team have been answered with the discovery of Kepler-186f.

The discovery of the Earth-like planet orbiting star Kepler has demonstrated the existence of planets that could potentially hold life.

Lewis Vaughan Jones reports:

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Scientists discover 'Earth-like' planet which could be habitable

An 'Earth-like' planet, dubbed Kepler-186f, has been discovered by scientists and lies within the 'habitable zone'. The new planet was spotted by Nasa's Kepler telescope, which was launched in March 2009.