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I'm fairly sure this is because in order for a hot air balloon to fly, the air inside of the balloon must be much hotter than the outside air temperature.

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14y ago

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How long can a hot air balloon fly continuously?

for as long as it has fuel to heat the air - it takes a lot of fuel to keep a large amount of air warm enough for flight which is why most hot air balloon flights dont last very long there is a technique that piper cub pilots used to do pre WW2 for long endurance flights that could work for balloons as well though i dont know if its been tried - piper cubs can fly very slow so would fly just above a car that would then hand off fuel and oil and food - the cubs were modified to be able to add fuel and oil by the pilot in flight by opening the windshield and standing half out of the aircraft - some very long endurance records were set, dont remember exactly but i remember hearing one of at least 30 days - same sort of thing could be done with balloons by using chasers to hand off fuel and supplies - but not easy as balloon direction, speed and fine control are not that great but it probably could be done for a very long time with luck


What does it tell us about the weather?

define "it", you could be talking about the weatherman if you are then they tell you the temperature and chance of rain,andother things like that. or you could be talking about the grass if you are thaen i dont know the answer.


Does it rain in outer space?

No, it does not rain in outer space because there is no atmosphere to support weather patterns like rain. Rain requires water vapor, condensation, and gravity to fall to the ground, which are not present in the vacuum of space.


When did Janet Shearon die?

i dont think she ever did i honestly dont know


Why does solar lights work inside and not out side?

Solar lights require direct sunlight to charge their batteries effectively. If used inside, the light can be charged through ambient indoor lighting, whereas outdoors, barriers like shadows or overcast weather can block the direct sunlight needed for efficient charging.