What do scientist use to detrrmine the direction of the prevailing winds?

Both of these instruments work by moving to minimize air resistance. The way a weather vane is pointed by prevailing winds indicates the direction from which thewind is blowing. ... Modern instruments used to measure wind speed and direction are called anemometers and wind vanes, respectively.

Aristotle thought so every portion of the earth tends toward the center until by compression and convergence they form a sphere. travelers going south see southern constellations rise higher above the horizon.~ hope this !

Answerspring and autumn