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SONG: Two Steps From Hell - Eria

Sit back, relax and enjoy the wonders of Earth.

This video was created by David Bayliss*

However, the majority...

The Soviet Union launched the first artificial satellite, Sputnik 1, in 1957. Since then, the United States and about 40 other countries have devel...

DigitalGlobe's WorldView-2 Satellite, launched October 8, 2009, provides 0.5m Panchromatic (B&W) mono and stereo satellite image data.

For more in...