Kepler 452 features the smalles planet within a habitable zone - - The Exoplanet Directory

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September 27th, 2015

Illustration of the exoplanet Kepler-452b. The planet is shrouded in a dense atmosphere of carbon dioxide, nitrogen and water vapour. Clouds containing sulphuric aerosols block the view onto the surface.

This is an artistic representation, which is in accordance with the currently available data about the planet.

The planet Kepler-452b is located some 1,400 lightyears from Earth, in the constellation Cygnus. Up to now, it is the smallest exoplanet within the habitable zone of a sun-like star. Kepler-452b has about 1.63 times the Earth's radius. It orbits the parent star once in 385 days at a mean orbital distance of 1.04 astronomical units. This makes Kepler-452b one of the smallest planets on such a wide orbit discovered by means of the transit method. The planet receives about 10% more sunlight than Earth. The parent star Kepler-452 is about 10% larger in diameter than the Sun. Its age is estimated at 6 billion years [1].

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