| A | B |
|---|
| Named after the Roman messenger god. | Mercury |
| No known satelites. | Mercury |
| 8th largest planet | Mercury |
| Known as the morning and evening star. | Venus |
| Named after the Roman goddess of love. | Venus |
| Very high temperatures caused by the greenhouse effect | Venus |
| Rotates clockwise;sun rises in west and sets in east. | Venus |
| 5th largest planet. | Earth |
| Has 8 major tectonic plates. | Earth |
| 1 satelite called moon. | Earth |
| Surface is 75% water and 25% land. | Earth |
| Rotates once every 24 hours. | Earth |
| Revolves around the sun every 365 1/4 days. | Earth |
| 3rd from the sun. | Earth |
| Known as the red planet. | Mars |
| Gets color from rust (iron oxide). | Mars |
| Named after Roman god of War. | Mars |
| The most similar to Earth. | Mars |
| Was water and then turned to ice. | Mars |
| Largest planet. | Jupiter |
| Named after Roman king of gods. | Jupiter |
| Has great red spot. | Jupiter |
| Red spot is a storm that is 3 times the size of Earth. | Jupiter |
| Has 16 moons. | Jupiter |
| Contains more matter than all other planets combined. | Jupiter |
| Largest moon called Titan. | Saturn |
| 2nd largest planet. | Saturn |
| Would float if placed in water. | Saturn |
| Has rings made of particles of ice and rock. | Saturn |
| Has 18 satelites. | Saturn |
| Very strong winds in the atmosphere. | Saturn |
| Called the sideways planet. | Uranus |
| One of the gas giants. | Uranus |
| Atmosphere made of helium and hydrogen. | Uranus |
| Has blue cloud layer made of methane. | Uranus |
| 4th largest planet. | Neptune |
| Has great dark spot. | Neptune |
| Observed in 1994 by HST-Hubble Space Telescope. | Neptune |
| Farthest planet from sun. | Pluto |
| Smallest planet. | Pluto |
| Never been visited by a spacecraft. | Pluto |
| One satelite called Charon. | Pluto |
| Named after Roman god of the underworld. | Pluto |
| Has atmosphere 77% nitrogen and 21% oxygen. | Earth |
| Sister planet to Earth. | Venus |
