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This explanation unified the motion of celestial bodies and motion of objects on earth.
This explanation unified the motion of celestial bodies and motion of objects on earth.
An ateroid revolves around the sun.
It was Copernicus.
It was Copernicus.
Galileo
The Greek astronomer's explanation for the celestial spheres did not encompass the phenomenon of retrograde motion. The retrograde motion is the apparent motion of a planet to move in the opposite direction from the surrounding planetary bodies in the same system.
No, they do not.
explanation: objects in motion will remain in motion unless acted on by unbalanced forces.
It was a more elegant explanation of retrograde motion.
The motion of a body can change (accelerate) only when acted upon by an unbalanced force.
Perpetual motion machines do not exist. If they did we would not be paying almost $3.00/gallon for gasoline, as a perpetual motion machine implies free energy. Newton's laws tell us that is not possible. For further explanation read up on Newton's laws of motion and thermodynamics