Satellite Wallpaper

惊人的卫星和月球图片高清壁纸

Incredible Satellite Photo Gallery - Wallpaper Unique Illustrations - Sign Art Images Free Download !

The world's first artificial satellite, the Sputnik 1, was launched by the Soviet Union in 1957. Since then, thousands of satellites have been launched into orbit around the Earth. Some satellites, notably space stations, have been launched in parts and assembled in orbit.

Amazing Satellite and Moon Pictures HD Wallpapers - Digital Art High Definition !

Fun Facts : The United States Space Surveillance Network, a division of the United States Strategic Command, has been tracking objects in Earth's orbit since 1957 when the Soviet Union opened the Space Age with the launch of Sputnik I. Since then, the SSN has tracked more than 26,000 objects.

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