Is the Earth habitable?

Long been considered: our planet is so close to the sun, even to a 10% greater - and the end of life. A new estimate makes the prospect of even more joyful: the earthly life of sunsets over the horizon in the next few hundred million years.Researchers from the University of Pennsylvania (USA) expressed the need for revision of the habitable zone as a concept and offered his own version, based on more precise, in their opinion, taking into account the influence of greenhouse gases on the planetary temperature.Scientists have relied on models and Evan James Casting Pu. But the results were the Read more [...]
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A binary star system may be suitable for habitable planets is no worse than single stars

The planets orbiting binary stars, are influenced by not one, but two full radiation sources. But a new study shows that a close pair of stars can be as good as a single star, when it comes to the hospitality extended to potentially habitable planets. A binary star system consisting of small masses of the stars are best suited for this role, as the combined emission of two stars significantly expands the habitable zone of their total, compared to the habitable zone of a single star.After modeling a large variety of binary systems, two astronomers: John Clark of the University of New Mexico, and Read more [...]
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