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We summarize the week's scientific breakthroughs every Thursday.

  1. Planetary Science

    Martian leaks: Hints of present-day water

    In some of the coldest regions on Mars, water appears to have recently gushed from just beneath the surface, running down crater walls and steep valleys.

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  2. Astronomy

    Model Tracks Storms from the Sun

    Teams of astronomers have developed a reliable method for predicting the time it takes for solar storms to arrive at Earth and have gathered observations confirming a model of how the sun's outer atmosphere, or corona, manages to store up enough magnetic energy to induce these upheavals.

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  3. Astronomy

    Sugarcoated news arrives from space

    Scientists spotted a simple sugar in interstellar space for the first time.

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  4. Astronomy

    Black holes and galaxies may grow up together

    Astronomers have new and, for the first time, quantitative evidence that bigger black holes reside at the centers of bigger galaxies.

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  5. Astronomy

    Survey confirms composition of the cosmos

    A team of astronomers announced this week that after measuring the redshifts of 100,000 galaxies, they have new evidence for what makes up most of the mass of the universe.

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  6. Planetary Science

    X rays reveal Eros’ primitive nature

    Aided by a blast of X rays from the sun, a spacecraft orbiting the near-Earth asteroid 433 Eros has gathered preliminary evidence that the rock is a primitive relic, apparently unchanged since the birth of the solar system.

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  7. Astronomy

    New sky map: Look, Ma, no Milky Way!

    Using a radio telescope to record emissions from hydrogen gas, astronomers have penetrated the murk of the Milky Way to map the entire southern sky.

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  8. Astronomy

    A supernova’s shocking development

    Astronomers have for the first time recorded the full force of the shock wave hurled from supernova 1987A, the brightest stellar explosion witnessed from Earth since the invention of the modern telescope.

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  9. Astronomy

    More evidence of a flat universe

    Another balloon-borne experiment recording relic radiation from the Big Bang has found evidence that the universe is flat.

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  10. Astronomy

    All Aglow in the Early Universe

    Was the infant cosmos a star-making machine?

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  11. Astronomy

    Newfound Galaxy Goes the Distance

    Astronomers have discovered a galaxy so remote that the light reaching Earth left the body some 13.6 billion years ago, making it the most distant object ever detected.

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  12. Astronomy

    Astronomers rediscover long-lost asteroid

    After 89 years of playing a cosmic version of Where's Waldo?, astronomers have located a long-lost asteroid named Albert.

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