NASA mirrors on ESA pathfinder to enhance lunar navigation

NASA will supply the upcoming European Space Agency (ESA) Lunar Pathfinder satellite with an array of laser retroreflectors

The retroreflectors will validate navigation capabilities that will be critical to the Artemis missions and future lunar exploration.

This project is built on the long collaboration between NASA and ESA within the International Committee on Global Navigation Satellite Systems 

Global Navigation Satellite Systems (GNSS) are the satellite constellations commonly used for position, navigation, and timing services on Earth.

The Lunar Pathfinder spacecraft will host a device testing GNSS capabilities used by many to navigate on Earth

NASA has navigated with these faint signals as far as halfway to the moon

The lander will deliver an experimental payload, the Lunar GNSS Receiver Experiment 

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