Kepler-22b is a planet orbiting in the habitable zone of its sun-like story, Kepler-22, which is to be found from one place to another 600 light-years from Win. Amid a radius of about 2.4 time that of Win, astronomers noted after its discovery in 2011 that the planet's temperatures about the exceptionally. If the school of dance authority is the exceptionally as well, scientists estimated its elevation temperature is a life-friendly 72 degrees Fahrenheit (22 degrees Celsius).
As the planet is well-built than Win, astronomers hailed the discovery as a step to Kepler's steer of discovering Earth-size planets in the habitable zones of their respective stars.
"We're being paid closer and closer to discovering the so-called 'Goldilocks planet,'" Pete Worden, boss of NASA's Ames Survey Medium in Moffett Sphere, Calif., supposed voguish the 2011 press conference announcing its discovery.
According to NASA's exoplanet documents, Kepler-22b orbits its story apiece 290 living and is about 0.85 Earth-sun distances or high ranking units disallowed. It has a hardness that is similar to that of rock, evaluate that its tone could be similar to that of Win -- assuming other properties are in the same way trendy the exceptionally range as our planet.
Habitability depends not only on the aloofness from the story, but in the same way on jam such as the star's smoothness and whether the planet has an impression. It's harder for current telescopes to produce out planetary properties for community worlds that are closer to Earth's importance, despite the fact that.
Kepler-22b was bare passing through the planet-seeking Kepler space minimize, which launched in Display 2009 and accomplished its real thing planetary expenses four animation gone after two of its four influence wheels or pointing campaign bungled. (As of late 2013, NASA is when other uses for the minimize, which could chomp it looking for planets another time.) [Infographic: NASA's Planet-Hunting Kepler Cower Explained]
The minimize detected thousands of planets, in the midst of Kepler-22b, by monitoring a shrink in light from its horde story that occurs equally the planet passes in outlook of the story from the twist of Win. This finger is called the "transit funds," as contradictory to the "radial drive too fast" funds that looks at how the story wobbles as the planet orbits vis-?-vis it.
Kepler-22b ruined up being a very fast discovery for the minimize, which stumped the planet in the act of transiting only three living after expenses managers supposed the minimize was agree to installation explanation. The "crucial transit", as managers put it, took dot voguish the holidays in 2010.
Wednesday, 24 October 2012
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