Why are Earth and Venus called sister planets?
Because the are almost the same size.
Name of the path that the planets circle around the sun.
Orbit
Astronomers use this to look at places that are far away.
Telescope
The moon' s surface is covered in .....
Craters
What is this?
The Solar System
The center of the Earth is also called .....
Core
There are eight planets in the solar system. Which is the smallest planet?
Mercury
There are eight planets in the solar system. Which is the biggest planet?
Jupiter
Mars once had flowing water. True or False.
True
