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Technology -- Motor vehicles. Aeronautics. Astronautics. -- Motor vehicles. Aeronautics. Astronautics -- Astronautics. Space travel -- Artificial satellites
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Ocean Surface Topography From Space (TOPEX/Poseidon Missions)
A joint US and France project, the TOPEX-Poseidon satellites continuously measure sea surface height. The oceans store and transport solar heat, helping to keep Earth's climate in balance. The overall shape of the...
From the Top of the World...to the Bottom of the Food Web
These four teaching units show how NASA satellites measure ocean productivity. Topics cover: marine food web from producers to consumers and decomposers; phytoplankton diversity, classification and adaptations; studying...
Gravity Recovery and Climate Experiment
The Gravity Recovery and Climate Experiment (GRACE) mission uses twin satellites to make detailed measurements of Earth's gravity field. GRACE materials include a description of the mission, research projects, and...
How Far Away Are the Satellites?
In this activity, students calculate the distance from a satellite to a receiving station on Earth. They will learn that radio signals are waves and that wave characteristics can be used to measure properties such as...
Exploring the Edge of Our Solar System: IBEX Mission (Poster Back)
This poster outlines the major mission highlights of the Interstellar Boundary Explorer (IBEX) mission, a Small Explorer Earth-orbiting spacecraft that is designed to map the distant boundary between the solar wind from...
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