Orbital Sunset from Space by John H. Glenn Jr. in Friendship 7, 1962 Image
Orbital sunset seen from space by astronaut John H. Glenn Jr. during his historic Friendship 7 mission in the Mercury-Atlas 6 spaceflight in 1962. Horizon shows Earth's atmosphere transitioning from twilight into night. Suitable for use in articles, documentaries, and educational materials about space exploration, significant moments in NASA history, and scientific research on Earth's atmosphere.
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