Deep Space

  • Gliese 581d: A Habitable Exoplanet?
    A new computer model that simulates possible exoplanet climates indicates that the planet Gliese 581d might be warm enough to have oceans, clouds and rainfall. Gliese 581d is likely to be a rocky planet with a mass at least seven times that of Earth.
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    A recent study says that a particular mathematical technique could be used to detect forests on extrasolar planets.
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    Até então, o telescópio espacial Kepler da NASA já identificou 1.235 possíveis planetas extrassolares. Agora astrônomos estão apontando um radiotelescópio para aqueles mais parecidos com a Terra para ver se detectam civilizações avançadas que poderiam chamar estes planetas de lar.
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    So far, NASA's Kepler space telescope has identified 1,235 possible extrasolar planets. Now, astronomers are aiming a radio telescope at the most 'Earth-like' ones to see if they can detect advanced civilizations that might call these planets home.
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    For the first time, scientists have demonstrated a version of the Doppler effect at an extremely small level - the rotation of an individual molecule. Rotational Doppler effect is used to determine the rotational velocity of planets and could now help study the properties of
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    A rare number of Hot Jupiter planets orbit their stars in a direction opposite to the star's rotation. This violates basic ideas of planet and star formation. Now, new research may explain how these planets flipped their orbits.
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    Some planets that roam the galaxy without a star to call home still may be able to host life. Finding such rogue planets is difficult, but new research suggests these wandering worlds could be detected by their atmospheric auroras.
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    Scientists have discovered a new mineral, krotite, which is one of hte earliest minerals formed in our solar system. The finding could help astrobiologists understand how the Solar System formed and evolved, leading to conditions for a habitable Earth.
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    Results of the NASA's Gravity Probe B indicate that there is a space-time vortex around Earth and that its shape precisely matches the predictions of Einstein's theory of gravity.
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    Scientists have constructed the largest ever 3-D map of the distant Universe. Studying the nature of the Universe can help astrobiologists determine the best locations in which to search for habitable worlds.
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    New observations of '55 Cancri e' indicate that the planet is 60 percent larger in diameter than Earth, but eight times more massive. The data also indicates that 55 Cancri e orbits so close to its star that it is baked to a temperature of
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    Physicists have proposed a theory that the early Universe had only one spatial dimension. Now, a new test has been devised that could prove or disprove the 'vanishing dimensions' hypothesis.
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    How would life on planets in binary star systems evolve? Earth-like planets with two or three suns would have multiple sources of light that could be used for photosynthesis.
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    Would extraterrestrials like to listen to our music? Even if intelligent beings on other planets can’t enjoy the sounds we create, they still might be curious to know what pleases our aural appendages.
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    Would extraterrestrials like to listen to our music? A new collaboration between science and music has created musical messages that might one day be sent to alien worlds.
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