Question 17
The solar system is made up of the Sun, the planets that orbit the Sun, their satellites, dwarf planets and many, many small objects, like asteroids and comets. All of these objects move and we can see these movements.
The fact that the Moon always shows its same face to Earth is evidence that the Moon rotates about its axis about once per

The fact that the Moon always shows its same face to Earth is evidence that the Moon rotates about its axis about once per
