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ESS Moon Phases
ESS Moon and its phases
| Term | Definition |
|---|---|
| Lunar Cycle | The different phases of the moon |
| Phase | A distinct (certain) part of a process |
| Lunar eclipse | Occurs when the Moon passes directly behind the Earth into its umbra or shadow. |
| New Moon | First lunar phase when the moon is NOT visible because it crosses between the Sun and Earth |
| Full Moon | When the moon appears fully lit (illuminated) from Earth and occurs when Earth is located directly between the Sun and the Moon |
| Umbra | The fully shaded inner region of a shadow made by a object. |
| Penumbra | The partially shaded outer region of a shadow made by an object. |
| crescent Moon | The phase that occurs between the new moon and quarter moon and only 1/4 is lit up |
| First quarter Moon | The phase of the lunar cycle when you see HALF of the moon and the illumination is increasing |
| Last quarter Moon | The phase of the lunar cycle when you see HALF of the moon and the illumination is decreasing |
| gibbous Moon | The Moon phase that fall between the quarters and the full Moon and is 3/4 lit up |
| Illumination | light |
| Waxing | The RIGHT side of the moon is lit up |
| Waning | The LEFT side of the moon is lit up |