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This is an online interactive about asteroid composition. Learners will explore how scientists learn about the composition of an asteroid by studying energy and neutrons that emanate from it. Includes audio (and transcription) explaining the diagram.
This is 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 challenges of this... (View More) unique mission. Leonard Nimoy narrates. (View Less)