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Click 17/05/2014 GMT Clips

  1. How to send your own satellite into space for 拢200

    Duration: 04:01

  2. Balloon photography reveals the atmosphere's secrets

    Duration: 04:08

  3. The mini-satellite revolution gives new views of Earth

    Duration: 03:34

  4. Space station's live view of Earth

    Duration: 04:19