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NASA scientists have discovered many planets that have a number of characteristics that resemble Earth. But this newly discovered planet has a blue hue that looks like the planet Earth. Astronomers think the planet Neptune-sized planet has a blue sky, but felt there could be no life.
The planet discovered by astronomers of the Las Cumbres Observatory Global Telescope Network (LCOGT). They then named the planet the size of Neptune was named GJ 3470b. GJ 3470b is located as far as 100 light years from planet Earth and orbits a red dwarf.
Blue sky in GJ 3470b according to astronomers, it looks like obtained from transit light from its parent star, the light is dispersed into small particles in the atmosphere. The same technique that also occurred in the blue sky of the earth, known as Rayleigh scattering.
Unfortunately, the planet is uninhabitable because of GJ 3470b has a very hot surface temperature, which is about 3300 ° C (6000 ° F). But with the discovery of the planet, astronomers clues about the composition of the atmosphere, they have learned over the years
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