24/05/2026
NASA recently explained why Earth sometimes appears glowing orange in photos taken from space.
And the reason is both beautiful and scientific.
That orange glow is mostly caused by Earth’s atmosphere.
When sunlight passes through the atmosphere during sunrise or sunset, shorter blue wavelengths scatter away first, while longer orange and red wavelengths continue traveling through the air.
From space, astronauts can see this thin glowing layer wrapping around Earth like a delicate shell.
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There’s also another effect involved.
Parts of the glow come from something called “airglow.”
Even at night, atoms and molecules in the upper atmosphere release faint light after being energized by sunlight during the day.
From orbit, this creates a soft glowing edge around the planet.
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What makes these images emotional is perspective.
From the ground, the atmosphere feels endless.
From space, it looks paper-thin.
A fragile orange line separating life from the darkness of space.
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That thin glowing layer contains:
Every breath you’ve ever taken
Every cloud
Every storm
Every living thing humanity has ever known
All protected by a shell so thin
it almost disappears from orbit.
And somehow, that makes Earth look even more alive.
— thegsview 🌍📊
