Who first thought that the sun orbited the earth?

I, of course, know that the Sun is indeed orbited by the Earth, and not vice versa, but people used to think that the Sun orbited the Earth.

Anyway, the choices are:

1. Ptolemy

2. Galileo

3. Copernicus

Please help

~Kweenie~

Ametal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpendicular to the magnetic field. these magnets produce an initial uniform field of 1.12 t between them but are gradually pulled apart, causing this field to remain uniform but decrease steadily at 0.240 t/s . (a) what is the magnitude of the electric field induced in the ring? (b) in which direction (clockwise or counterclockwise) does the current flow as viewed by someone on the south pole of the magnet?

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere

Which sections of the heating curve illustrate this process?