Who discovered the planets of the solar system revolve around the sun

Copernicus was the person who discovered that planets revolve around the sun, and Kepler defined their orbits correctly.

there has only been 12 presidents. the 12th president is/was moon jae-in

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.