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He was the first to discover the Earth's tilt and how far away things like the moon and sun were away from Earth. He invented the longitude and latitude system.
Year - 194 B.C.
His discoveries are important because they help with knowing where you're at on the earth. -
He created the Ptolemic system, also known as the geocentric system.
Year - A.D. 90 - 168
This system put the Earth at the center of the universe, which actually turned out to be false. -
He created the heliocentric system, which put the sun at the center of the universe.
Year - 1543
It's important because it helped lead to the accuracy of our solar system. -
He was able to build instruments and discover stars beyond the moon. This was before the invention of the telescope.
Year - 1572
This is important because it shows the universe is unchanging. -
Is responsible for discovering that the planets traveled in ellipses, not circles. He created the three laws based on his discoveries.
Year - 1609
HIs laws are important because it shows how the planets orbit the sun. -
He discovered the laws of motion and created the three laws.
Year - 1666
This is important because it defines the motion of the planets and how we study them. -
He discovered the laws of physics are the same throughout the universe.
Year - 1915
His discovery can help predict things like black holes in sapce.