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This 24 minute planetarium show teaches about meteors, meteorites, asteroids, and comets. The show was created for fulldome theaters, but is also available on DVD to be shown in flat version for TVs and computer monitors, and can be freely viewed... (View More)

Keywords: Meteors; Meteorites
Audience: Informal education
Materials Cost: Free

This exhibit uses text and images to portray humanity's views of the universe and how they have evolved over time. It includes six two-sided panels that feature key astronomical discoveries from the past 400 years. The exhibit also highlights the... (View More)

This is a lesson about the characteristics of planets, comets, asteroids, and trans-Neptunian objects. Learners will classify objects and then apply what they have learned by participating in a formal debate about a solar system object discovered by... (View More)

Audience: High school
Materials Cost: Free

Learners will use direct vocabulary instruction to learn the new definitions of planet, dwarf planet, and asteroid. The publicity generated by the International Astronomical Union's definition of Pluto as a dwarf planet in 2006 created a teachable... (View More)

Leonard Nimoy narrates this a video about NASA's Dawn mission to the asteroids Vesta and Ceres. Learners will follow the mission from paper to launch pad to asteroid belt and beyond. The video features the planning, instrumentation and technological... (View More)

This is a lesson about the science supporting the design and operation of an ion propulsion engine. Learners will study the concepts of formation and discharge of charged particles, attractive and repulsive forces between charged particles, and the... (View More)

Audience: High school
Materials Cost: Free

This is an activity about motion in a frame of reference. Learners will develop an understanding that motion is relative by reading the text "Frames of Reference." As a follow-up to the reading, students engage in a writing-to-learn strategy that... (View More)

Audience: High school

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

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 are changes in energy and fuel consumption as a result of variable changes... (View More)

Audience: High school
Materials Cost: Free