habitable zone


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habitable zone

the area around a star (such as the sun) in which there is sufficient energy present to sustain life.
References in periodicals archive ?
Ten of the new discoveries were orbiting their suns at a distance similar to Earth's orbit around the sun, the so-called habitable zone that could potentially have liquid water and sustain life.
Two of the European members of the team, Xavier Delfosse and Xavier Bonfils both at the CNRS and IPAG in Grenoble, France, conclude: The LHS 1140 system might prove to be an even more important target for the future characterisation of planets in the habitable zone than Proxima b or TRAPPIST-1.
While some scientists say life could exist outside the habitable zone, he thinks the habitable zone itself isn't entirely life-friendly.
The other gets about two-thirds as much light as Earth and is 97% likely to be in the habitable zone.
Kepler also has spotted the first Earth-size exoplanet dwelling in the habitable zone of a distant stellar parent, where liquid water potentially could exist.
Since its launch in 2009, Kepler has confirmed 961 planets, but only a few dozen are in the habitable zone.
So far Kepler has found nine exoplanets in the habitable zone, NASA said.
Ten newly discovered planets are close to Earth-sized and in the habitable zone of their stars, meaning they orbit at a distance that is not too hot, or too cold to support life, Kepler scientists told reporters.
Colleague Erik Perigura, from the University of California at Berkeley (UC Berkeley), said: "What this means is, when you look up at the thousands of stars in the night sky, the nearest sun-like star with an Earth-size planet in its habitable zone is probably only 12 light years away and can be seen with the naked eye.
Of those five planets, the one found by Agol, called Kepler-62f, and another planet, Kepler-62e, were in that habitable zone.
Both will be priority targets in a new Search for Extra-Terrestrial Intelligence (Seti) programme focusing on habitable zone worlds.
Five of the potential planets are near Earth-size and orbit in the habitable zone of smaller, cooler stars than our Sun.