This theory (at the time) was dismissed, because they ought the idea crazy. If the “epicycle”solar system was true,it'd be extremely hard for exploring on new planets. And we wouldn't have any satellites (natural and man-made)
He also discovered the two axes. If he didn't discover this, it'd be excessively hard to discover that the Earth spins once every day.
One of the greatest achievements was inspiring some of the renaissance's greatest men. Men such as Galileo, inventor of the telescope. Newton, discover of Gravity. Bruno, the great poet and philosopher. And Thomas Digges, discovered that there is an infinite amount of stars in the universe. Without Copernicus our astronomy would be terrible.He wouldn't have inspired all of those people. And we wouldn't've understand the heliocentric system for a long time.
Copernicus’s legacy is a powerful thing, without one man, and our world would be much different. Our knowledge of space would be horrible, we'd be hundreds years