Scientists crack the mystery of expansion of extrasolar planets

četvrtak, 10.02.2011.

coach outlet More than 500 stars of known extrasolar planets very mysterious and wonderful, thanks in large part one of the many planets in very close range is extremely dangerous to run around their parent star. Extreme heat can drive supersonic wind and the surface of molten rock. But even this can not be on the blistering temperatures and extrasolar planets similar to Jupiter, to interpret - they already can not expand the diameter of any heat from the parent star to be explained.

Now, researchers have found signs that hard to understand the formation of giant extrasolar planets is their own current to heat the planet's interior.

In the last week published a paper on the arXiv.org, the United States Pasadena, California Institute of Technology astrophysicist Konstantin Batygin and colleagues report that they are known extrasolar planets found a trend That is, if the planet's parent star makes the surface temperature of more than 1,500 degrees Kelvin, so these planets are likely to be large than expected.

coach outlet This temperature can be ionized trace elements, such as sodium and potassium, which makes the gas planet outside our solar system to conduct current. Then the wind can carry these high ionized gas around the extrasolar planet's magnetic field, and produce deep inside the planet extends to the cycle of current. Like a toaster or toaster oven heat generated in the resistance makes the whole planet eventually heat up and continued expansion.

10.02.2011. u 07:28 • 0 Komentara • Print • #

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četvrtak, 10.02.2011.

Scientists crack the mystery of expansion of extrasolar planets

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