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  • Diagram illustrating the proportion of small to big stars in certain galaxies.

    Adding up Stars in a Galaxy

  • Image from NASA's Galaxy Evolution Explorer spacecraft and the Cerro Tololo International Observatory.

    A Lesson in Counting Stars

  • Cepheus B

    The Formation of Stars

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  • NGC 1097

    Coiled Creature

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  • image from NASA's Chandra X-ray Observatory and Spitzer Space Telescope shows the star-forming cloud Cepheus B, located in our Milky Way galaxy about 2,400 light years from Earth

    Trigger-Happy Cloud

  • This artist's concept shows a celestial body about the size of our moon slamming at great speed into a body the size of Mercury.

    Planetary Smash-Up

  • Milky Way Galaxy

    Stars at the Galactic Center

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  • HAT-p-7 light curve chart

    HAT P7b Light Curves-Magnified

  • Chart depicting the zone of habitable planets.

    Habitable Planet Zone

  • HAT-p-7 light curve chart

    HAT P7b Light Curves

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