HOT AIR BALLOON
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BY Gautam Gehi
- 16/02/2022 4:47 pm
- no comment
HOT AIR BALLOON A hot air balloon is a lighter-than-air aircraft consisting of a bag, called an envelope, which contains heated air. … The heated air inside the envelope makes it buoyant, since it has a lower density than the colder air outside the envelope. As with all aircraft, it cannot fly beyond the atmosphere. A […]
