Montgolfière Balloon
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Aeronautics
Montgolfière Balloon
Montgolfière balloons pioneered human flight by harnessing the buoyancy of hot air
17 Jan 2026
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What physical principle allows a Montgolfière balloon to rise and stay aloft?
The balloon is propelled by engines that push it upward.
The balloon uses helium gas to become lighter than air.
Heated air inside the balloon is less dense than the surrounding cooler air, creating buoyancy.
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