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    Astronomical Society of the Pacific
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    This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth. The activity shows participants the...

    1 cent - $1 per group Ages 8 - adult 1 to 2 hours
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe. Learners discover that almost all chemical elements that make up the Earth and all its living...

    1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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    Astronomical Society of the Pacific
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    This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model. Learners will explore what cosmic radiation is and where...

    $1 - $5 per group Ages 8 - adult 5 to 10 minutes
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    The University of Texas McDonald Observatory
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    In this activity, learners will first learn the basics of galaxy classification and grouping. Then, learners use Hubble Space Telescope (HST) images to discover the "morphology-density effect...

    free Ages 14 - 18 30 to 45 minutes
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    Astronomical Society of the Pacific
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    This fun hands-on astronomy activity lets learners explore models of the Milky Way and other galaxies to get a sense of relative distances to other galaxies. Part of the activity involves learners...

    1 cent - $1 per group Ages 8 - adult 45 to 60 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners explore model planets (that they or an educator will create), using methods NASA scientists use to explore our Solar System. Learners...

    Ages 8 - adult 30 to 45 minutes
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    NASA
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    In this activity, learners sample a star field to estimate the number of stars in the universe. This activity simulates how astronomers use sampling instead of census (counting) to more easily...

    free Ages 8 - 14 45 to 60 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape. Learners are often surprised to find how empty the outer...

    1 cent - $1 per student Ages 6 - adult 45 to 60 minutes