Astronomers monitor 17 billion new planet the size of Earth


Astronomy experts said that out of every six star no star featuring Earth-size planets in orbit around indicates the total 17 billion a planet of this type in our galaxy.
The results of these scientific based on the analytical study of the constellation "candidate" conducted by the observatory Kepler Space Research Agency's Aviation and Space Administration (NASA).

The scientific results announced at the meeting No. 221 of the American Astronomical Society in California.
The moment of transition
Kepler Telescope has been since launched into orbit in 2009 to look at the fixed part of the sky and could monitor more than 150 thousand star in the field of view.

The telescope also managed to monitor the slight dimming of the star's light during the passage of a planet in front of him which is known as a moment of transition.
But this analogy is misleading to the truth due to the overall change of light by a fraction of percent, as it is not all the fading of the light of the result of transmission planet.
François seeks Friesen, at the Harvard Center - Smithsonian Science astronomy and physics who discovered the first Earth-size planets, to see that he is not all that monitoring Kepler planets may represent only a candidate, but seeks to monitor any planets that Kepler could not monitor basically.
Said Friesen told the BBC, "We must correct two things, first that the list of Kepler's planets candidate is complete, we see only planets that pass in front of their stars host, a star with planets court lineup Bamcunnina vision, and each planet of this kind there are dozens that do not have planets of this kind.
"It's the second be corrected lies in the same list of nominations, is that there are some real planets is transmitted through their host stars, as has other manifestations of astrophysical in nature."
This may include, for example, binary stars, which is about two stars, one revolves around the other, where obscure one light one during the transition process.
Friesen explains, saying "Hakina all appearances (astronomical) potential, and concluded that about 9.5 percent only represents monitoring Kepler planets, and the rest planets are real."
The results indicate that 17 percent of the stars with planets up size to 1.25 times the size of Earth orbiting close only lasts 85 days or less closely parallels the planet Mercury.
This means that our galaxy, the Milky Way, comprising at least 17 billion planets the size of Earth.
Area uninhabitable
Friesen was able publish an analysis of the latest lists of Kepler, which is in itself increase significantly compared to those results cited by Christopher Burke Institute (City).
Brook had announced 461 new candidate planet, which is similar to the planet with little differences of plus or minus, which is difficult to detect planets in particular yet.
Brock said the BBC "thing is particularly important is the presence of four planets, less than twice the size of Earth, probably located in the region around a star may contain liquid water is fit for life."
One of these planets the size of a four and a half times the size of Earth, which is located around a star like our sun form, and perhaps allow data currently available to the discovery of a planet "Earth 2".
He added that the discovery "very important because it represents a real starting point to determine the sensitivity of such things in the habitable zone - we are on the outskirts of the limits the probability of finding planets afford the necessities of life."
Said William Borruke, on the functions of the major search for the Kepler telescope mission, he was "happy" to a new scientific findings.
"The most important thing is statistics - not found on the ground and one even found a hundred land - this is what we will see over the years through the Kepler mission, because it is designed to monitor a lot of Earth-like planets."
Source: BBC




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