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| 1. |
What is sun declination angle? |
| A. | Angle between sun and earth |
| B. | Angle between ray of the sun touching earth’s surface and the equatorial plane |
| C. | Angle between an observer on earth and the celestial equatorial plane |
| D. | Angle between ray of the sun when extended to the earth’s center and the equatorial plane |
| Answer» E. | |