This sequence shows the approximate 30 hour lifetime of a SAR arc, taken by Dynamics Explorer 1 in 1982.
Image provided courtesy of L. Frank and J. Craven from the Dynamics Explorer 1
Shop Windows to the Universe Science Store!
Learn about Earth and space science, and have fun while doing it! The games
section of our online store
includes a climate change card game
and the Traveling Nitrogen game
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