The planet known as GJ 1214b, which was discovered in 2009, is 2.7 the Earth´s diameter, and its temperature is 230 ºC.
It is made with a large proportion of water, and it is not as any other planet we actually know. To carry out the investigation, the exoplanet has been observed when it orbited in front of its star. The light of the star is filtered through the planetary atmosphere, which provides us information about the atmosphere composition.
An study of the density of this new planet has shown us that its density is lower than the Earth´s density, so it is possible that this planet has more water and less rocks than the Earth. Because of the hight temperature and its hight pressure, it can have estrange materials as hot ice.
Here you can see some images of the GJ 1214b planet and the Hubble telescope.
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| GJ 1214b planet, discovered in 2009. |
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| Hubble telescope |
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