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4CV Moon&Telescope
| Term | Definition |
|---|---|
| New Moon | The first phase of the moon when the Moon cannot be seen. |
| Full Moon | When ALL of the Moon's surface facing Earth can be seen because it reflects light. |
| revolution | The movement of one object around another object. |
| orbit | The path that one object takes around another object. |
| crescent | When LESS THAN HALF the moon is lit. |
| gibbous | When MORE THAN HALF the moon is lit. |
| lunar cycle | The repeating pattern of phases of the moon. It takes 29.5 days to complete. |
| phases | The different shapes of the moon seen |
| reflecting telescope | A telescope that uses a curved mirror to collect and focus light |
| refracting telescope | A telescope that uses a set of lenses to gather and focus ligh |
| telescope | An optical instrument that forms enlarged images of distant objects. |
| astronomy | The study of the planets, stars, moons and other objects in outer space |
| waning | When LESS of the Moon's lighted side is seen. |
| waxing | When MORE of the Moon's lighted side is seen. |