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1:2 Astronomy
1:2 Phases, Eclipses, and Tides
| Question | Answer |
|---|---|
| Moon Phases | The different appearances of the illuminated portion of the moon as seen by an observer, usually on Earth. |
| Eclipses | Caused by one object passing into the shadow of another object. (Two main types... Solar & Lunar) |
| Solar Eclipse | The blocking of sunlight to Earth that occurs when the moon is between the sun and Earth. |
| Lunar Eclipse | The blocking of sunlight to the moon that occurs when Earth is directly between the sun and moon. |
| Tides | The periodic rise and fall of sea level caused by the gravitational pull of the Moon on the Earth. |
| Gravity | The force of attraction between any two objects in the universe. (The larger the object... the more force it has.) |