| Term | Definition |
|---|---|
| Polaris | The current star to which the north celestial pole of earths points also called the north star |
| Latitude | Parallel east to west to the equator measure in degrees north to south |
| Longitude | An angular distance to a globe that runs perpendicular north to south of the equator |
| Ellipse | An oval shaped closed curve the shape of a planets orbit |
| Summer Solstice | The summer solstice occurs when the earth is tilted the most to the sun |
| Winter Solstice | Winter solstice is the time in December where the sun is the farthest away from the celestial equator |
| Equinox | Either of two times of the year(fall or spring)during a planets orbit when the north and south poles are equidistant from the sun, causing day and night to be equal in length |
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