The “Limb” of the Earth is the visual edge of the planet’s atmosphere against the blackness of space as seen from an orbiting satellite or the moon. It appears as a thin, glowing blue arc. This perspective allows scientists to ...
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The “Limb” of the Earth is the visual edge of the planet’s atmosphere against the blackness of space as seen from an orbiting satellite or the moon. It appears as a thin, glowing blue arc. This perspective allows scientists to ...