Possible.
Yes, it was possible. The first lighter-than-air balloon was invented in 1783, Marie Antoinette had died in 1793.
The hot air inside the balloon expands, making the hot air balloon fly.
yes beacsue she was also very light herself
Put a straw in the end of it and blow into the balloon. That should make it fly straight although make sure you don't use helium and make sure there is as little of wind around as possible. From Matthew
i think it takes a long time for a hot air balloon to fly
The hot air inside the balloon expands, making the hot air balloon fly.
if we keep a pumpkin inside a balloon the balloon will not fly and will burst
Yes, helium will help a balloon fly. Helium does not affect the direction that a balloon goes, but it will keep it in the air for quite some time.
Yes they were first to fly the first hot air balloon
To produce the 'hot air' that goes inside the balloon to make it fly.
How to get the air into the balloon and how to make it fly.