Science and Exploration

Airglow And An Aurora Above Earth’s Horizon

By Keith Cowing
Press Release
January 24, 2021
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Airglow And An Aurora Above Earth’s Horizon
Airglow And An Aurora
NASA

The International Space Station was orbiting 264 miles above the North Atlantic when this photograph was taken of an aurora streaming above the Earth’s horizon.
The Earth’s airglow, an optical phenomenon caused by cosmic rays striking the upper atmosphere, blankets the horizon.

iss064e024075 (Jan. 18, 2021) – Credit: Roscosmos Larger image

SpaceRef co-founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber.