| A | B |
| Solar System | a group of planets |
| sun | our star that we orbit |
| gravity | the pull of the planet |
| Mars | The 4th planet from the sun |
| Jupiter | The 5th planet from the sun |
| Earth | Our home planet |
| Venus | The 2nd planet from the sun |
| galaxy | a group of solar systems |
| Saturn | The 6th planet from the sun |
| Uranus | The 7th planet away from the sun |
| Mercury | The planet right next to the sun |
| Neptune | The 8th planet away from the sun |
| Pluto | The last planet away from the sun |
| Atmosphere | The densnes of the gas or air |