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Picture | |
from | Encarta |  |
Helium Lifts Goodyear Blimp |
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| Helium gas is lighter than air and is used to lift airships such as the Goodyear blimp. Blimps have no internal supporting structure. The pressure of buoyant helium gas maintains the bag’s shape. | ||||||
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| Jerry Wachter/Photo Researchers, Inc. | ||||||
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| Appears in these articles: | ||||||
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| Helium; Goodyear Tire & Rubber Company, The; Transportation; Airship; Business | ||||||
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