balloon satellite

satellite inflated with gas after being put into orbit. 

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Wikidata
artificial satellite, Project Echo, 

• Freebase entry^@
  

• 

  Echo 1 1960
  
• 

  Project Echo
  
• 

  Vanguard Balloon 1959
  
• 

  balloon satellite
  

Project Echo – 

Frameless

Type	Date	Description	Keywords	Notes	Source
link		Freebase entry@			Wikidata
vessel	1960	Echo 1	artificial satellite of the Earth, Project Echo		Wikidata
vessel		Project Echo	vessel, artificial satellite of the Earth, balloon satellite, spacecraft, artificial satellite, National Aeronautics and Space Administration		Wikidata
vessel	1959	Vanguard Balloon	balloon satellite		Wikidata
vessel		balloon satellite	artificial satellite		Wikidata

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