NASA’s New Eye on Earth’s Hidden Halo

NASA recently launched the Carruthers Geocorona Observatory, a groundbreaking mission to capture the first continuous movies of Earth’s invisible atmospheric halo.

From its vantage at Lagrange Point 1, the observatory will track hydrogen escaping our planet, sharpen space weather forecasts for Artemis, and shed light on how atmospheres evolve—key to the search for life on exoplanets. Named after Dr. George Carruthers, whose Apollo 16 experiment first revealed the geocorona, this mission opens a new chapter in understanding Earth’s fragile edge.

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