NASA discover Earth's twin 1,400 light-years away

in space on (#NS4P)
The Kepler mission has found the first near-Earth-size planet - called Kepler-452b - in the "habitable zone" around a G2 star much like our own sun. Kepler-452b is 60 percent larger in diameter than Earth and is considered a super-Earth-size planet. Its 385-day orbit is only 5 percent longer as the planet is 5 percent farther from its parent star. That star, Kepler-452, is 6 billion years old, 1.5 billion years older than our sun, has the same temperature, and is 20 percent brighter and has a diameter 10 percent larger. The Kepler-452 system is located 1,400 light-years away in the constellation Cygnus.

"We can think of Kepler-452b as an older, bigger cousin to Earth, providing an opportunity to understand and reflect upon Earth's evolving environment," said Jenkins. "It's awe-inspiring to consider that this planet has spent 6 billion years in the habitable zone of its star; longer than Earth. That's substantial opportunity for life to arise, should all the necessary ingredients and conditions for life exist on this planet."

Re: If I get 1 Euro for each time they announce an Earth's twin.... (Score: 2, Informative)

by on 2015-09-28 19:47 (#NV2V)

From WP: "It is the first potentially rocky super-Earth planet discovered orbiting within the habitable zone of a star very similar to the Sun."
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