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Asteroids and comets  
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This slide set focuses on evidence of a binary star that passed within 0.8 ly of our solar system. It is one of a series of short, topical presentations on new developments from NASA astrophysics missions, relevant to introductory astronomy topics.... (View More)

Microscopic meteorites routinely reach Earth's surface. While challenging to find and identify, this activity provides techniques for searching for them in the local environment.

Become a crime scene investigator! Learners model Dawn Mission scientists, engineers, and technologists and how they use instrumentation to detect distant worlds. After a briefing to build context, students explore interactions between different... (View More)

This slide set focuses on the discovery of debris belts around Vega. It is one of a series of short, topical presentations on new developments from NASA astrophysics missions, relevant to introductory astronomy topics. These resources are intended... (View More)

This is a lesson/briefing about the Dawn mission and the significance of its ion propulsion system. Learners will consider cases of science fact versus science fictions, study the challenges of the Dawn mission, and apply the "History Frame"... (View More)

Audience: High school
Materials Cost: Free

This is a lesson about the path of one xenon ion through an ion propulsion engine. Learners will focus on what a single xenon ion sees and does as it goes through the reactions and processes that provide the ion jet propulsion engine's thrust. They... (View More)

Audience: High school
Materials Cost: Free
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