[ELI5] how do hot air balloons even work? How do they know where they’re going without steering?

Question

[ELI5] how do hot air balloons even work? How do they know where they’re going without steering?

In: 846

Answer 1

Wind goes in different directions at various altitudes so balloons just go up and down by changing the temperating in the balloon and catch the wind that goes into the directly they would like to go.