| A | B |
| Pluto | Coldest spot in the solar system |
| Mercury | doesn't have an atmosphere; there is no air |
| Venus | Covered in thick, yellow clouds blown by strong winds |
| Earth | Year is 365 days long; one day is 24 hours |
| Mars | Half the size of earth |
| Jupiter | There is a large red spot here that may be a giant storm |
| Saturn | Many rings made of ice and rock orbit this planet |
| Uranus | Rotates in a different way than other planets, tilted on side. |
| Neptune | One day is about 16 Earth hours |
| crater | hole in ground shaped like bowl |
| sun | closest star to earth |
| phase | shape of the lighted part of the moon |
| star | ball of burning gas that gives off light and heat |
| solar system | the sun, the planets and their moons and other objects that move around sun |
| constellations | a group of stars that form a picture |