First Habitable Exoplanet? Climate Simulation Reveals New Candidate That Could Support Earth-Like Life

Wiki Commons Image

ScienceDaily

The planetary system around the red dwarf Gliese 581, one of the closest stars to the Sun in the galaxy, has been the subject of several studies aiming to detect the first potentially habitable exoplanet. Two candidates have already been discarded, but a third planet, Gliese 581d, can be considered the first confirmed exoplanet that could support Earth-like life. This is the conclusion of a team of scientists from the Institut Pierre Simon Laplace (CNRS, UPMC, ENS Paris, Ecole Polytechnique) in Paris, France, whose study is published in The Astrophysical Journal Letters.

Are there other planets inhabited like Earth, or at least habitable? The discovery of the first habitable planet has become a quest for many astrophysicists who look for rocky planets in the "habitable zone" around stars, the range of distances in which planets are neither too cold nor too hot for life to flourish.

Alien life boost after Nasa finds one in two Suns has Earth like planets

The chances of finding alien life have been given a boost after it was revealed that one in two stars in the universe have Earth like planets orbiting around them.

NASA illustration

Richard Alleyne
Telegraph

The news came from NASA scientists studying the results from the Kepler telescope which in its first two years in space has found evidence of more than 1,200 planets in orbit around far distant stars.

The early findings suggests that there are triple the number of known planets outside our own solar system - 54 of them are Earth size and in the habitable zones from their suns.

Only two potentially habitable planets have previously been found outside earth's solar system, so Kepler scientists are very excited at finding so many possible candidate planets.

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New Estimate for Alien Earths: 2 Billion in Our Galaxy Alone

Earthlike planet illustration/Wikimedia Commons

Charles Q. Choi,
SPACE.com

Roughly one out of every 37 to one out of every 70 sunlike stars in the sky might harbor an alien Earth, a new study reveals.

These findings hint that billions of Earthlike planets might exist in our galaxy, researchers added.

These new calculations are based in data from the Kepler space telescope, which in February wowed the globe by revealing more than 1,200 possible alien worlds, including 68 potentially Earth-size planets. The spacecraft does so by looking for the dimming that occurs when a world transits or moves in front of a star.

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