| A | B |
|---|
| Mercury | This planet has almost no atmosphere. |
| Venus | This planet has a thick cloudy atmosphere made of poisonous gases. |
| Mars | This planet has a thin atmosphere made of carbon dioxide. |
| Jupiter | This planet has the Great Red Spot. |
| Saturn | This planet has the largest number of rings. |
| Uranus | This planet rotates on its side. |
| Neptune | This planet has a storm like the one on Jupiter. |
| Mars | The rovers Spirit and Oportunity are on this planet. |
| Pluto | This outer planet is made of ice and rock. |
| Mercury | The surface of this planet is covered with craters. |
| Venus | This planet has temperatures that are over 450 degrees celsius. |
| Mars | This planet has polar ice caps made of "dry ice". |
| Uranus | Methane gives this planet its blue-green color. |
| Pluto | this planet is sometimes called the "double planet". |
