Solar System

  • How Jupiter Got Big
    How did the largest planet in our solar system form? New theories on how planets like Jupiter form put traditional theories to the test.
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  • Pregnancy Test for Mars
    The test that tells women they are pregnant might also be able to find signs of living organisms on Mars.
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  • Simulating a Martian Colony in the Arctic
    Once again, an island in the Canadian high arctic, a polar desert of a world, will serve this summer as a little bit of Mars on Earth.
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  • Earth from Afar: A Tiny Flickering Dot
    With over 70 planets identified around distant stars, astronomers are now looking for ways to classify which ones are most like Earth -- that is to say, the ones most likely with biological potential.
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  • Evidence of bacteria on Europa?
    Jupiter's moon Europa is thought to be one of the most likely abodes for microscopic life in our solar system. The ice-covered world may have liquid water, energy, and organic compounds - all three of the ingredients necessary for life to survive.
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  • Jovian Moons
    Jupiter's four largest moons were discovered by Galileo in 1610. Three of them might hold oceans of liquid water beneath their icy exteriors. Liquid water is a prerequisite for life.
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  • Extrasolar Planets with Earth-like Orbits
    Scientists are discovering extrasolar planets with Earth-like orbits. Could it be possible for Earth-like orbiting planets to harbor life just like Earth?
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  • Europe Heads for Mars
    The Beagle 2, a compact, lightweight lander carried on the European Space Agency's (ESA) Mars Express, will search for signs of life on the red planet.
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  • Titan: Biological Birthplace?
    Saturn's giant moon Titan, cloaked in thick nitrogen atmosphere with hydrocarbons, provide a laboratory in sky for scientists.
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  • Study Doubles Number of Potential Earth-Like Planets
    The standard model for the formation of rocky planets like Earth appears to be on solid ground even when applied to systems in which two stars orbit each other, according to a new study.
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  • Odyssey Finds Large Concentrations of Water on Mars
    The first results from the Mars Odyssey are in, and they reveal that the Southern Hemisphere of the Red Planet has a lot of water ice just below the surface.
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  • Rare Canadian Meteorite Tagged as First of Its Kind Found on Earth
    In a triumph for space geology, a team of scientists said they found a rare meteorite, it's the first of its kind to be found on Earth -- a dark and rare type called a D asteroid.
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  • Finding Distant Worlds
    We know that there are at least 75 planets outside our own solar system, orbiting their distant stars. Although we have never seen any of these planets with our own eyes, several different techniques exist to detect these extrasolar planets.
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    Carbonaceous chondrite meteorites contain vital clues to the evolution of carbon compounds in our solar system preceding the origin of life.
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  • Earthshine
    When the crescent moon is just a sliver each month, the phrase--'old moon in the young moon's arms'-- poetically describes a marvel of nature.
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