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First Balloon Satellite: Echo 1
First Balloon Satellite: Echo 1
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First Balloon Satellite: Echo 1
Launched on August 12th, 1960, this mylar-skinned balloon inflated to a diameter of 30.5 meters (100 ft.)
Channel: Space
Category: Science
Video Length: 0
Date Found: August 19, 2010
Date Produced:
View Count: 0
 
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