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Ever wonder what the earth looks like from space at any given time?

Wonder no more.

NASA is now providing a live high definition video stream of the blue planet as seen by astronauts on the International Space Station.

The ISS is equipped with four HD earth-facing cameras.

It's all part of an experiment to find out how the cameras are able to survive and function in the extreme radioactive environment of low-earth orbit.

Mobile users may copy and paste this link to see the live stream: http://www.ustream.tv/channel/iss-hdev-payload

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