| A | B |
| altitude | the height of an object in the sky |
| asteroid | a rock like mass that revolves around the sun |
| comet | rock, ice, dust, and gas traveling around the sun |
| constellation | a group of stars that form a patern |
| coriolis effect | effect of earth's rotation that deflect moving objects |
| doppler effect | change in radiation or sound becuase of motion |
| galaxy | groups of millions of stars |
| solar system | the sun and what orbits it |
| universe | everything that exists |