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A faint airglow blankets Earth's horizon above the Pacific Ocean
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A faint airglow blankets Earth's horizon above the Pacific Ocean

NASA / JSC · 2025-09-02 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

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iss073e0780028 (Sept. 2, 2025) --- A faint airglow blankets Earth's horizon in this photograph taken from the International Space Station as it orbited 259 miles above the Pacific Ocean between Hawaii and California. This natural glow is produced when solar ultraviolet radiation excites oxygen molecules in the upper atmosphere during the day, which then release that energy as visible light at night.

NASA Image and Video Library’s own description
Credit lineA faint airglow blankets Earth's horizon above the Pacific Ocean. NASA/JSC, 2025-09-02. Public domain. ID: iss073e0780028.
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