discovered two planets look-alike of the Earth, could harbor water - The Messenger

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ROME – In the constellation Lyra, two thousand light years from Earth, there are two look-alike of our planet and could harbor liquid water. They are the most Earth-like planets ever discovered and the first of this size found in the so-called habitable zone, where the distance from the star makes possible the presence of liquid water and the formation of life. The discovery, announced in the journal Science, is based on data from the Kepler space telescope due to the group led by the American William Borucki of NASA’s Ames Research Center. “The result shows that Earth-like planets exist and that it is worth continuing to conduct this kind of research, “says astronomer Raffaele Gratton, of the Observatory of Padua National Institute for Astrophysics (INAF). The ultimate goal of this research, says Gratton, is whether there are chances that these systems harboring life and maybe find the evidence. The two planets lo ok-alike of the Earth are the most external of a system of five worlds extrasolar was born around the star Kepler-62, which resembles the Sun and is between 2,000 and 3,000 light years from us. Called Kepler-62e and Kepler-62f, have radii respectively equal to 1.61 and 1.41 times the radius of Earth. The other three planets of the solar system itself have radii equal to 0.54, 1.31 and 1.95 Earth radii, but they are too close to their star to have water. All were discovered thanks to technique of transits , which analyzes the fluctuations in the brightness of a star when a planet passes in front, partially eclissandola. The two planets receive a stream of light from the star similar to what we receive from the Sun, Venus and Mars, and this suggests that they can accommodate an atmosphere and liquid water. Based on simulations, the researchers suggest that both planets may be solid, with a rocky or icy composition. “A rocky plan et with an atmosphere and surrounded by rivers and seas on its surface would be a Holy Grail for extrasolar planetary science,” writes Science commenting on the discovery. On the basis of the size and distance from the star, The researchers calculate that the two planets could have a ‘ atmosphere with nitrogen, carbon dioxide and water. But you can not have more accurate data on planets so far away. Therefore, we could just continue to imagine that about 3,000 light-years away, there are two brothers of the Earth with atmosphere and water. Into Into Thursday, April 18, 2013 – 21:43 Last updated: Friday, April 19 – 00:17 Into © ALL RIGHTS RESERVED Into Into WOULD YOU RECOMMEND THIS ITEM TO YOUR FRIENDS? Into Into BECOME A FAN OF THE MESSENGER SHARE THIS PRODUCT Into (3) READERS ‘COMMENTS RELATED STORIES class=”c52″> Venus walks on the Sun: tonight the event of the century / Video Into Venus passes between the Earth and the Sun: here’s how to observe the event Into There is another Earth in the Universe: “On Gliese 581 is no life at 100%» TODAY FIRST FLOOR class=”c57″> Quirinale, Prodi also can not do it. New slap to the Democratic Party ROME – Romano Prodi can not do it. The fourth ballot for … Into Boston, suspected Chechen suicide bombers have killed the first, his brother is wanted. Two arrested at their home in Watertown BOSTON – A man died, the other on the run, “an armed terrorist and … Into regional funds, investigated Cota In the focus of Finance 52 councilors TURIN – The Guardia di Finanza has notified 52 notices of the …

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The strength of desire

class=”testoart14 c70″>Into The man does not want to feel alone in the ‘Universe, and this sometimes leads to assumptions and interpretations that seem more spertanze fact that (l’ article itself talks about “assumptions”). But …. it’s not mandatory there is the ‘Water for life forms like science fiction (but here the science agrees) explains, sentient beings “different” from our may not necessarily be based on chemistry of carbon, as we are: it would certainly more difficult to communicate and be understood … or maybe not?

class=”c64″> Comment posted on 19-04-2013 at 20:21 insalataepollo

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mandiamoci

class=”testoart14 c70″>Into Mountains Prodi and D’Alema Bersani Shackles, at least we have 4000 years of peace now that they go, destroy them, and return

class=”c64″> Comment posted on 19-04-2013 at 16:48 Back

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class=”nero14lucida c69″> Fantastic

class=”testoart14 c70″>Into there is the problem of being able to travel at the speed of light to be able to be there in no more than 2,000 or 3,000 years :)

class=”c64″> Comment posted on 19-04-2013 at 11:21 indovinaki

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