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Found the mysterious “planet Styrofoam”

Найдена загадочная «планета-пенопласт»The exoplanet has a very thick atmosphere.

American astronomers from Lyaskovo University (Pennsylvania) have discovered a giant gas planet, surpassing the size of Jupiter. However, the density of it is comparable to the foam, and scientists can not yet give this explanation. About the opening on Tuesday, may 16.

Space object, named KELT-11b, is located 320 light years from Earth. Researchers estimate that it is 40 percent larger than Jupiter and five times lighter. In addition, the exoplanet has a very thick atmosphere.

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KELT-11b orbits a star KELT-11, which will soon begin to increase in size. This means that in the next 100 million years the planet will be absorbed by the outer layers of a red giant as it is located very close to their sun. One revolution around the star it makes in less than five days.

Astronomers have discovered a planet using the transit method. It is to find space objects that are passing on the background of the disk of their parent stars. During transit the Shine of the last falls that you can register with super-sensitive photometer.

Because KELT-11 is a very bright star during the passage of the planet its brightness is reduced by 0.3 percent, the researchers originally could not accurately identify the transit event. However, subsequent observations failed to confirm the presence of a gas giant.

Astronomers plan in the future to determine the composition of the atmosphere of KELT-11b. This will help to understand why the size of the exoplanet two times more than those that are typical of objects of its mass.

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