Which idea of the geocentric model of the solar system was most contested by some philosophers?
A. Earth was not moving.
B. The universe was the only object they could see.
C. Earth was the center of the universe.
D. The motion of the planets was uniform and circular.
Which new idea did Copernicus introduce that significantly modified the geocentric model of the universe?
A. The motion of planets is not uniform and circular.
B. Earth is at the center of the universe.
C. The universe includes objects we cannot see.
The sun is at the center of the universe.
According to the heliocentric model of the universe, which statement best describes the location of the sun?
A. The sun is located at the center of the universe.
B. The sun is located outside of the solar system.
C. The sun is located on top of objects in space.
D. The sun is located closest to Earth.
Which statement best describes the movement of galaxies in the universe?
A. Galaxies are moving away from each other, with galaxies farther away moving faster.
B. Galaxies are moving toward each other, with galaxies farther away moving faster.
C. Galaxies are moving toward each other, with closer galaxies moving faster.
D. Galaxies are moving away from each other, with closer galaxies moving faster.
Which describes our Sun?
A. a small star located near the edge of the Milky Way galaxy
B. a large star located in the center of the Milky Way galaxy
C. a standard-sized star located in the center of the Milky Way galaxy
D. a medium-sized star located in a spiral arm of the Milky Way galaxy
Help! Thx!!