PER NASA Abbreviation

PER has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of PER in NASA.

Period

Most Common

The elements in a horizontal row of the periodic table.

NASA
Perigee

That point in a terrestrial orbit which is nearest to the Earth. Position in an orbit that is closest to the Earth. On an elliptical orbit path, the point where a satellite is closest to the Earth. The least distant point from the centre of the earth to an orbit around it.

NASA
Pre Environmental Review
NASA

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