What is the word that describes the concept that all objects orbit earth?

This would be a geocentric model.

It was proposed due to religion before the Renaissance in Italy, and was later replaced with the current heliocentric model.

the bal will not change its velocity.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.