Comet C/2023 A3 photographed by Matthew Dominick aboard the International Space Station.
The green line visible in the image is known as "airglow"—a stunning reminder of how thin and fragile our atmosphere truly is. It marks the narrow layer that shelters all life on Earth from the vast and hostile environment of space.
Fascinating
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2025-08-12 01:41:08 GMT
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npub1ckp277xl73p8qrk9ncshsefj5ur5cq973da3atycnwlky6vqd8xq5r7tnxSeen on
wss://relay.damus.ioPublished at
2025-08-12 01:41:08 GMTEvent JSON
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"content": "Comet C/2023 A3 photographed by Matthew Dominick aboard the International Space Station.\n\nThe green line visible in the image is known as \"airglow\"—a stunning reminder of how thin and fragile our atmosphere truly is. It marks the narrow layer that shelters all life on Earth from the vast and hostile environment of space.\n\nhttps://video.nostr.build/f3e063925300c3483872aa88a118e2baa6e07e866043cb5aa99149e456602a02.mp4",
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