Earth's Atmosphere Is Bigger Than We Thought - It Actually Goes Past The Moon. The geocorona, scientists have found, extends out to as much as 630,000 kilometres. Space telescopes within the geocorona will likely need to adjust their Lyman-alpha baselines for deep-space observations.

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Earth's Atmosphere Is Bigger Than We Thought - It Actually Goes Past The Moon. The geocorona, scientists have found, extends out to as much as 630,000 kilometres. Space telescopes within the geocorona will likely need to adjust their Lyman-alpha baselines for deep-space observations.