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Free  
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Solar system  
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This is an online sorting game that compares the lifetime risk of death from an asteroid impact to other threats. For example, are you more likely to be killed by an amusement park ride or an asteroid impact? It is part of the Killer Asteroids Web... (View More)

Audience: Informal education
Materials Cost: Free

This is an educators guide to accompany the Journey to the Stars planetarium show. The materials include a section, titled Teaching With the Show, containing guiding questions to encourage class discussions about the life cycle of stars.

This is a multi-level, physics-based game that asks players to save Earth by using their spaceship to deflect an incoming asteroid. It is designed to accurately reflect the physics of space and could be used to help confront preconceptions about... (View More)

Audience: Informal education
Materials Cost: Free

This is a game about light curves that will test your ability to figure out things about an asteroid from just a graph of its brightness. Astronomers use telescopes to collect light curves - measurements of the brightness of distant asteroids over... (View More)

Audience: Informal education
Materials Cost: Free

In this lesson about comets, learners will use images to observe and compare the surfaces of two comet nuclei from close range. Separate teachers guides and students guides are provided. Supplementary resources needed for the lesson are provided and... (View More)

Audience: Middle school, High school
Materials Cost: Free

This is a game which focuses on the challenge of moving a "rubble pile" asteroid. Players have the option of using bombs, impactors, or "pusher" ships. It is a simpler version of Rubble! and part of the Killer Asteroids Web Site. The site also... (View More)

Audience: Informal education
Materials Cost: Free

This is a video about the IAU definition of a planet. Learners will watch 3D animation designed to illustrate the history behind the discussion defining the question, what is a planet?, and to outline some of the traits that may be associated with... (View More)

Keywords: Dwarf planet
Audience: Middle school, High school, Informal education
Materials Cost: Free

This is an educators guide to accompany the Journey to the Stars planetarium show. The materials for grades 3-5 include suggestions for activities to do before and after viewing the planetarium show, including class discussions about the Sun's... (View More)

Audience: Elementary school, Informal education
Materials Cost: Free

This is an educators guide to accompany the Journey to the Stars planetarium show. The materials for grades 6-8 include suggestions for activities to do before and after viewing the planetarium show, including class discussions about our Solar... (View More)

Audience: Middle school, Informal education
Materials Cost: Free

This is a website about asteroids and comets. Learners can play a physics-based asteroid game, learn about how backyard astronomers are contributing to asteroid research, or simulate an asteroid impact using a Google Earth Impact simulation.... (View More)

Audience: Informal education
Materials Cost: Free