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Moon Vocabulary
Vocab for Moon test
Term | Definition |
---|---|
Moon Phase | Changing appearance of the moon |
Eclipse | Passing into the shadow of another |
Crater | Formed by rocky objects hitting the surface |
Tides | Change of water level due to gravity pull |
Ray | Streaks of material outward from the crater |
Perigee | the point in the moon's orbit closest to Earth |
Apogee | the point in the moon's orbit farthest from Earth |
Orbital Period | Revolution of the moon around the Earth |
Solar Eclipse | Moon is directly between the Earth and Sun |
Lunar Eclipse | Earth is directly between the Moon and Sun |
Comet | Small body of ice, rock and dust. Tail points away from sun |
Solar System | A system of planets orbiting a star. |
Blue Moon | Full moon twice a month |
Waxing Moon | illuminated area increasing after a new moon |
Waning Moon | illuminated are decreasing after a full moon |
Earth's Tilt | Causes the Earth's Seasons |