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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. |