The NASA Pi Day Challenge Slideshow | NASA/JPL Edu

The NASA Pi Day Challenge Slideshow | NASA/JPL Edu

Satellite Solver

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The Soil Moisture Active Passive, or SMAP, satellite is designed to image 1,000-kilometer-wide swaths of Earth from a near-polar, sun-synchronous orbit 685 kilometers above Earth’s surface.

How many days will it take SMAP to image all of Earth’s surface?

*You may disregard any overlap that may occur

Learn more about NASA Earth science satellites