Which scientist's work led to our understanding of how planets move around the sun?

If jesus walked on water, does that mean he swims on land

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?