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    Recent discoveries of gas giant planets in unusual orbits challenge the generally accepted theory of planet formation. While these discoveries do not disprove the theory, they have opened our eyes to chaotic solar systems quite unlike our own.
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  • Simulating Mars on Earth
    By simulating conditions at and below the surface of Mars, experiments now suggest that bacterial life could exist below its sterile surface layer of soil.
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  • Studying a Giant Planet
    Eight years from now, the Juno spacecraft will arrive at Jupiter, with instruments to study its atmosphere. Research goals for the mission include determining how the giant planet formed, how much water it contains, and how its powerful auroras compare to Earth´s Northern Lights.
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  • The Stuff of Life on Titan
    Reactions between organic compounds in Titan´s atmosphere and water on the surface may create complex molecules similar to those on the early Earth.
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  • Intelligence: A Rare Cosmic Commodity
    A mathematical model taking into account the limited habitable lifespan of the Earth suggests that four evolutionary steps were required for intelligent life to evolve. If this applies to other worlds, intelligent life may be rare in the universe.
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