Space Documentary – National Geographic: Deep Space Probes

A space probe is an unmanned spacecraft that leaves Earth orbit and explores space. It may approach the Moon; enter interplanetary space; fly by, orbit or land .\r
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Unmanned probes are hurling through the cosmos in record numbers. Traveling billion of miles from Earth, they are carrying out longer more complex missions .\r
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Space Documentary – National Geographic: Deep Space Probes Unmanned probes are hurling through the cosmos in record numbers. Traveling billion of miles .\r
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Space Documentary National Geographic Deep Space Probes This documentary and the rest of the documentaries presented relate to important times and .

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