1
How many planets are there?
eight
Nine
2
what is the smallest planet?
Mercury
Venus
3
Which is the hottest planet?
Venus
Saturn
4
Which planet has the rings?
Venus, Mars, Mercury
Jupiter, Saturn, Uranus, Neptune
5
What is the name of the red planet?
Mars
Jupiter
6
Which planet rotates closest to the sun?
Mercury
Earth
7
Which planet moves the fastest?
Jupiter
Mars
8
On which planet is the length of the year shortest?
Mars
Saturn
Mercury
9
Mars has how many satellites?
two, Phobos and Deimos
none
10
What is the biggest star in the solar system?
Sun
Sírius
