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A simulator from Nasa in which the viewer chooses Viewpoint and Target (eg. Saturn as seen from Cassini spacecraft), Date and Time, Field of View, and options such as planet orbits, satellite orbits, constellation lines, and extra brightness. "From Stargazers to Starships" follows an earlier site "The Exploration of the Earth's Magnetosphere". "Stargazers" deals with the world of gravity--of massive planets and stars, and the way spaceflight is achieved despite th This is an outstanding site to use as a resource for students in a space or astronomy unit. The images are excellent. It also has info about building a simple telescope. |
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