| A | B |
|---|
| Mercury | named after the messenger of the gods |
| Mercury | closest planet to the sun |
| Mercury | eighth-largest planet |
| Venus | named after the godess of love & beauty |
| Venus | hottest planet |
| Venus | brightest planet (when viewed from Earth) |
| Venus | second planet from the sun |
| Venus | often called Earth's sister planet |
| Earth | most dense planet |
| Earth | third planet from the sun |
| Earth | only planet with abundant life |
| Earth | only planet not named after a mythological character |
| Mars | named after the god of war |
| Mars | destination of the 1997 Pathfinder mission |
| Mars | home of the solar system's tallest mountain (Olympus Mons) |
| Mars | after Earth, the planet most likely to support life |
| Mars | fourth planet from the sun |
| Mars | often called the red planet |
| Mars | is orbited by moons Phobos and Deimos |
| Jupiter | largest planet |
| Jupiter | fifth planet from the sun |
| Jupiter | named after the king of the gods |
| Jupiter | its most striking feature is the Great Red Spot |
| Jupiter | two of its moons are Io and Europa |
| Saturn | sixth planet from the sun |
| Saturn | second-largest planet |
| Saturn | named after the Roman god of agriculture |
| Saturn | least dense planet |
| Saturn | destination of the Cassini mission (arrives in 2004) |
| Saturn | has moons Titan and Iapetus |
| Saturn | has more moons than any other planet |
| Uranus | seventh planet from the sun |
| Uranus | largest moon is Titania |
| Uranus | Discovered by William Herschel in 1781 |
| Neptune | largest moon is Triton |
| Neptune | eighth planet from the sun (usually) |
| Neptune | named after the god of the sea |
| Pluto | farthest planet from the sun |
| Pluto | smallest planet |
| Pluto | its single moon is named Charon |
| Pluto | named after the god of the underworld |
| Pluto | the most recently discovered planet (1930) |
