Galileo used his telescope to discover evidence for the sun-centered model of the solar system. this evidence included all of the following except
a.
venus going through phases
b.
venus revolving around the sun, not earth
c.
the planets moving in ovals or elipses
d.
moons revolving around jupiter

select the best answer from the choices provided

Stage in which a star’s outer layers have started to cool and grow outward?

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car