First near-Earth-size planet in “habitable zone”

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WASHINGTON: It has been confirmed through NASA’s Kepler mission that a near-Earth-size planet is present in the “habitable zone” near a sun-like star. It is considered as a big achievement in the efforts intended to find an Earth 2.0.
NASA first made an announcement regarding the introduction of a number of other new habitable zone candidate planets and scientists then came up with the new finding.
The planet, Kepler-452b, is reported to be the smallest found orbiting in the habitable zone so far. The habitable zone is the region near a star where liquid water could collect on the surface of a planet that is circling a G2-type star.
According to John Grunsfeld, associate administrator of NASA’s Science Mission Directorate at the agency’s headquarters in Washington, “On the 20th anniversary year of the discovery that proved other suns host planets, the Kepler exoplanet explorer has discovered a planet and star which most closely resemble the Earth and our Sun”.
He added that the new finding will help approach an Earth 2.0 further. When it comes to diameter, Kepler-452b is 60% larger than Earth and is thought to be super-Earth-size planet. According to NASA, so far, they haven’t found the mass and composition, however according to previous research, planets that are the size of Kepler-452b are likely to be rocky.