Ihave points
1. over time, scientists have changed their model of our solar system. it has transitioned from
a)
a sun-centered to an moon-centered model.
b)
a sun-centered to an earth-centered model.
c)
an earth-centered to a sun-centered model.
d)
a moon-centered to an earth-centered model.
2. many years ago, people believed that the earth was the center of the solar system because from earth, it looks as if the stars and the sun
a)
rotate around the earth.
b)
are controlled by the earth.
c)
are much smaller than the earth.
d)
move more quickly than the earth.