That battle helped them win the war
The best and most commonly given answer here would be Nicolaus Copernicus. He is very often accredited as the person who has developed the heliocentric system/hypothesis. Copernicus lived from 1473 until 1543 and was a mathematician and astronomer profesionally. He devoted a lot of his time studying the motion of celestial bodies.
You are a tertiary consumer if you feed on secondary consumers. Being a tertiary consumer means that you're consuming other consumers who already did consume energy from organisms which aren't considered to be consumers; usually plants.
