Is the sun at the center of the Milky Way?
No. the sun, our star, is the center of our solar system, which lies quite far out on an arm of our galaxy (the milky way).
It's about Three/fifths the distance from the center to the edge. The distance from the center to the edge is about 50,000 light years so the sun is about 30,000 light years from the center of The Milky Way. Of course this is very oproximate seeing that we don't really know the diameter of the MIlky way
No it is not. In fact, the galactic center is the rotational center of the Milky Way Galaxy.It is located in the direction of the constellations, Sagittarius Ophiuchus and Scorpius where the Milky Way appears brightest. It is believed that there is a super massive black hole at the Galactic Center of the the Milk Way.
What is the difference between saying the sun revolves around the earth and saying the earth is the center of the universe?
Not of the universe, as Copernicus conceived of it. He said that there was no single center of organization in the cosmos. But the Sun was the center of Earth's universe, which is the solar system. Although we now know that the Sun is similarly a star orbiting in the Milky Way Galaxy, there is no known point outside the Milky Way that can be said to be the center of universal organization. So the…