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Asteroids and comets  
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This is a lesson about the design and operation of an ion propulsion engine. Learners will study the essential components and variables of an ion propulsion system. Activities include an on-line ion propulsion engine simulation and design. Included... (View More)

Audience: High school
Materials Cost: Free

This is an annotated children's story about the Dawn mission to Vesta and Ceres in the asteroid belt. Learners will dissect the story for real and fictional objects and places in the solar system, and for those scientific concepts or processes that... (View More)

Audience: Elementary school
Materials Cost: Free

This is an extension activity to "DAWN: Find a Meteorite." Learners will use a Scanning Electron Microscope (SEM) to look at a piece of the meteorite and try to determine if it has the Widemenstatten texture, chondrules, and/or a unique chemical... (View More)

This is an activity about size and scale. Learners will use cotton bails, glue, and other common materials to produce a scale model of the coma and tail of Halley's Comet. This is Activity E-1 of Universe at Your Fingertips 2.0: A Collection of... (View More)

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