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A solar flare is more, and our earth is simply evaporate
Most exoplanets have been discovered discovered only because they are very close to revolve around their home stars. And one of the easiest ways to identify potential candidates for extrasolar planets is precisely the tracking of their home star. The fact that at some point star light decreases. This happens when a planet passes by the star. This method makes it possible to determine not only the size of the planet, but also its density, and the presence and composition of its atmosphere. Unfortunately, such a close proximity of the planet around the star may turn to her very sad event.
Exoplanet KIC 12557548b class super Mercury orbiting the star, located about 1,500 light-years from Earth, is now actively losing its mass. And the blame for this star, whose very active and massive outbreaks in the literal sense, gradually “eat” it bit by bit. On this idea prompted scientists monitoring the tail of dust, which was formed for the exoplanet.
The scientific staff of the University of Tokyo, reading the data provided by the Space Telescope “Kepler”, came to the conclusion that the amount of material that loses a planet is directly related to the activity of the star around which it revolves. That is, it becomes larger than its planetary material when held in a plane directly by the star in the region where activity is greatest star.
The maximum value of the mass loss occurs every 15.7 hours, which, by the way, are the period of one complete revolution around its star. By the way, thanks to the release of the maximum activity, scientists have determined the rotation period of the planet around its star.
“The impact of the energy generated by a star on the planet literally pushes all the dust from the last straight and the atmosphere into space,” – says Dr. Hajime Kawahara, author of a recent study of the planet.
“At the same impact on the planet temperature and wind are so extremely high and strong that they are sufficient to disperse the molecules of dust so that they can break out of the gravitational influence of the planet directly into space,” – he added.
At the moment the size of the planet does not exceed 0.1 size of our Earth . If its size is at least a little more, then the gravitational force would allow it to keep from being thrown into space more stuff. And if she was even less, then most likely have evaporated completely.
Astronomers estimate that the planet has completely evaporated over the next 100-200 million years, which in astronomical terms is incredibly small.
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Tags: Stars , Exoplanets .
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