Do Vulcans live here? Planetary temperatures range from -20 °C to 160 °C (-68 °F to 320 °F). Steve Connor writes on the Independent:
The first planet with a “temperate” climate to orbit a distant star has been discovered by astronomers, who claim that the techniques used to study it will be critical in the search for Earth-like worlds beyond our own solar system.
Corot-9b, as the planet is called, is one of more than 400 “exoplanets” found to be orbiting other stars, but it is the first one with a near-normal temperature range that can be studied as it moves across (or “transits”) the sun it orbits. “This is a normal, temperate exoplanet just like dozens we already know, but this is the first whose properties we can study in depth,” said Claire Moutou, one of the team of astronomers at the European Southern Observatory who made the discovery. “It is bound to become a Rosetta stone in exoplanet research.”
Corot-9b passes in front of its host star, 1,500 light years away in the constellation Serpens, every 95 days, and the transit lasts about eight hours, which is when astronomers can make measurements of the planet’s composition and temperature, estimated to range from minus 20C to 160C.
“Corot-9b is the first exoplanet that really does resemble planets in our solar system,” said Hans Deeg, the lead author of the study published in the journal Nature. “It has the size of Jupiter and an orbit similar to that of Mercury.”
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