| A | B |
|---|
| sun | hot, burning ball of gas |
| orbit | a traveling path around the sun or a planet |
| earth year | one whole orbit around the sun |
| earth day | one whole earth rotation |
| the reason for our seasons | the earth is tilted |
| solar system | 1 star, 9 planets, moons, asteroid belt, & comets |
| Mercury | closest planet to the sun |
| Venus | hottest planet |
| Earth | only planet that we know has life |
| Asteroid Belt | Different sized rocks orbiting around the sun between Mars & Jupiter |
| Jupiter | largest gas giant planet, has a big red spot that is really a huge storm |
| Saturn | gas giant with many large rings |
| Uranus | gas giant that rotates on its side |
| Neptune | gas giant that has lots of storms |
| Pluto | smallest & coldest planet |
| comet | a ball of dirty ice that orbits the sun & sometimes comes close to earth. It looks like it has a tail |
