NASA's mapping of the eclipse provides precise path of totality

NASA data visualizer Ernie Wright explains how he accounted for the jagged surface of the moon and the varying elevation in the U.S. to precisely map the path of totality for the Aug. 21 solar eclipse.
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NASA data visualizer Ernie Wright explains how he accounted for the jagged surface of the moon and the varying elevation in the U.S. to precisely map the path of totality for the Aug. 21 solar eclipse.

Astronomer shares pro tip for finding the best place to watch the eclipse

August 15, 2017 01:03 PM