gas balloons
Lighter-than-air spheres
Gas balloons are balloons filled with a gas lighter than air—typically helium or hydrogen—allowing them to rise and float.
Unlike hot air balloons, which rely on heated air, gas balloons stay aloft through buoyancy alone.
They range from party decorations to crewed aircraft used in long-distance races and scientific research: The gas balloon drifted silently over the countryside.
- aerostatsBuoyant atmospheric craft
- lighter than airLess dense than atmosphere
- dirigiblesSteerable lighter-than-air vessels
- heliumLightest noble gas
- weather balloonsAirborne instrument platforms
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- balloonslatex balloons, hydrogen balloons, foil balloons, helium balloons, mylar balloons
- Ballooninghot air balloons, balloonist, aeronauts, envelope, gondola
- balloon imageryhot air balloons, dirigibles, floating, ascent
- aerostatsaerostat, airships, blimp, balloons, zeppelin
gas balloonsairplanes
Powered flying vehicles
helicopters · gliders · jets · rockets · drones