| A | B |
|---|
| Largest planet | Jupiter |
| Planet named after god of farming | Saturn |
| Planet that spins on its side | Uranus |
| Red planet | Mars |
| Center of Solar System | Sun |
| Number of earth years for Neptune to orbit the Sun | 165 |
| "Dirty snowball" | Comet |
| Number of moons orbiting Pluto | One |
| Pluto's moon | Charon |
| Comet named after British astronomer | Halley's Comet |
| Planet named after god of the sea | Neptune |
| Planet with the most moons | Saturn |
| Hottest planet | Venus |
| Object that orbits a star | Planet |
| "Twin" planets | Earth and Venus |
| Number of rings around Jupiter | 11 |
| Outer covering of a planet or moon | Crust |
| Sun and objects orbiting it | Solar System |
| First person on the moon | Neil Armstrong |
| Discovered that the universe is expanding | Edwin Hubble |
