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English: "Pale Blue Dot" is a photograph of planet Earth taken by the Voyager 1 spacecraft in 1990 from a distance of about 6 billion kilometers (3.7 billion miles). The photo is famous for showing Earth as a tiny, almost invisible dot submerged in the darkness of space, emphasizing how small and fragile our planet is on the vast scale of the cosmos.

The concept of the "Pale Blue Dot" is also popular due to its association with the famous astronomer Carl Sagan, who gave deep reflections on the photograph in his book also titled "Pale Blue Dot". In his book, Sagan reflected on the importance of planet Earth as our only known home for life, and urged humanity to take better care of it and realize how small our place is in the universe. Sagan's photos and reflections on the "Pale Blue Dot" are often used to emphasize the importance of environmental conservation and the unity of mankind.

Translated with DeepL.com (free version)

English: The image depicts Earth as a tiny, faintly glowing pale blue dot amidst the vast, dark, star-filled cosmos. The profound contrast between the almost imperceptible Earth and the immense, dark expanse around it symbolizes the planet's fragility and uniqueness in the universe. Subtle rays of sunlight highlight the edges of Earth, enhancing its delicate and solitary presence in the cosmic void.