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The Global Precipitation Mission (GPM) collects rain, snow and other precipitation data worldwide every three hours. This short (4:17 minute) video introduces learners to the role of GPM and it's partner satellites in gathering precipitation data... (View More)

Audience: Informal education
Materials Cost: Free

Emphasizing the synergies between science and engineering, these video clips highlight the research of professional ocean scientists and engineers in various disciplines. The clips are accompanied by additional relevant content including images,... (View More)

This is an online set of information about astronomical alignments of ancient structures and buildings. Learners will read background information about the alignments to the Sun in such structures as the Great Pyramid, Chichen Itza, and others.... (View More)

Audience: Middle school, High school, Informal education
Materials Cost: Free

This is an activity about the Venus Transit and how it helped astronomers determine the scale of the solar system. Learners will use measurement, ratios, and graphing to construct a model of the solar system and determine the relationship of each... (View More)

Audience: Middle school, Informal education
Materials Cost: Free