| A | B |
| any of the first four planets orbiting the sun( mercury Venus Earth and mars) | inner planets |
| any of the four planets orbiting the sun beyone mars( Jupiter Saturn Uranus and Neptune) | outer planets |
| any of the four planets that lack a solid surface( they are the same as the outer planets | gas giants |
| any of the four planets that has a solid surface ( they are the same as the inner planets.) | terrestrial planets |
| a body orbiting another larger body other than the sun | moon |
| an asteroid shedding its visible tail of gas and dust as it approches the sun | comet |
| any object orbiting the sun that is not a planet, dwarf planet or comet, most are irrecularly shaped. | asteroid |