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Space
Moon, Planets, Sun, Space
| Term | Definition |
|---|---|
| asteroid | A solid space object made of rock or metal that is irregularly shaped |
| asteroid belt | area of space between Mars and Jupiter where most asteroids are found |
| atmosphere | all the gases surrounding the earth or other planets |
| axis | imaginary line that planets rotate on |
| comet | A space object made of ice and dust that has a tail when it gets close to the sun |
| first quarter moon | moon phase where the right side of the moon appears to be illuminated from earth |
| full moon | the moon appears full illuminated from earth |
| galaxy | Consists of gas, dust, and stars (and any objects orbiting the stars) - all held together by gravity |
| inner planets | first four planets that are closest to the sun |
| third quarter moon | moon phases where the left side of the moon appears to be illuminated from earth |
| Milly Way Galaxy | the galaxy earth is found in |
| moon | A round space object that rotates on an axis and revolves around a planet |
| moon phases | the different shapes of the moon that we see at different times of the month |
| new moon | moon phase where the moon looks completely dark from earth |
| orbit | circle around another object |
| outer planets | the 4 planets farthest from the sun |
| planet | A round space object that rotates on an axis and revolves around a star |
| revolve/revolution | the motion of one object around another object |
| rotate/rotation | the turning of an object on its axis |
| solar system | a system of planets and other bodies that orbits a star |
| star | burning ball of gas the produces its own light |
| Sun | The star at the center of our solar system that provides heat and light energy |