| A | B |
|---|
| Charon | Pluto's moon |
| Triton | Neptune's largest moon |
| This planet looks bluish-traces of methane/atmosphere | Uranus |
| Saturns rings are made of | ice chunks and rocks |
| Io, Callisto, Ganymede, Europa | Jupiter's largest moons |
| Titan | Saturn's largest moon |
| The Great Red Spot is found on | Jupiter |
| Gas giants | do not have solid surfaces |
| shape of orbit of each planet | ellipse |
| thick atmosphere | Venus |
| thin atmosphere | Mercury, Mars |
| Red planet | Mars |
| morning star, evening star | Venus |
| small, rocky surfaces | inner planets |
| 70% of planet covered with water | Earth |
| do not have solid surfaces | outer planets |
| explosions on the sun | solar flares |
| photosphere | inner layer of sun's atmosphere |
| chromosphere | middle layer of sun's atmosphere |
| huge, looping mass of gas on sun | prominence |
