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Published in 2016
Of the many ways Earth is polluted, light pollution may be the least talked about. It's not an illusion; astronomers measure it from one to nine on the Bortle scale, and earlier this year, one study suggested that light pollution may be causing spring to come earlier. This short film, shot mainly in...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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2
Award-winning science, math and technology videos for grades K-12.
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3
A 3-D environment full of real NASA mission data, though also a 3-D simulation of the major bodies in the Solar System for any time from 1950 to 2050.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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