The best weather to fly is on a sunny day. However there should be minimum wind. Wind can cause dangerous accidents.
air balloons or hot air balloons fly because they fill with a very light type of air. The air is hot air.
Buoyancy allows hot air balloons to fly.
They fly into the stratosphere. Weather balloons can reach altitudes of 40 kilometers (about 25 miles).
Hot air balloons use the fact that hot air rises as a way to make balloons fly. When the air inside the balloon is heated, it rises, and this creates lift which is used to make the balloon fly.
Hot air balloons generally fly better with a little breeze, they don't fly well in hot weather.
Hydrogen is used in weather balloons because they are very light which help the balloon to float or fly easily.
You can't physicly fly, but you can ride in air planes and hot air balloons.
because it helps it fly in air
no because of the air pressure
Hot air balloons
The hot air inside the balloon expands, making the hot air balloon fly.
You may use airplanes or balloons (aeronautics).