MERCURY EARTH UENUS MARS There are eight planets in our solar system Four of them are small and rocky They are closest to the sun The other four planets are large They have thick gassy
I OUR SOLAR SYSTEM UPITER URANUS SATURN
MERCURY OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO MERCURY is the closest planet to the sun It is also the smallest planet Some moons are larger than Mercury Many space rocks have crashed into Mercury They made giant marks on the planet The marks are called