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Image: The southern tip of Greenland is seen in this high-oblique, almost colorless, stark photograph of the world's largest island.
What is a polar orbit?

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A polar orbit is an orbit for which the angle of inclination is 90 degrees. An object in a polar orbit will pass over both the north and south geographic poles once per orbit.

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Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 04/07/2002
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