[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

Air currents at different elevations are going at different speeds and possibly different directions. You adjust your elevation by making your air hotter or colder to ride those different air currents.