Cycles of the Sky Crossword

3. The sky, represented as a dome, seems to stretch to where the sky meets the ground along a horizontal circle that we call this.
7. This motion refers to Earth's movement around the Sun. This is found only in your notes.
9. Another sky marker frequently used by astronomers is the _____ _______. Only stars on this thing rise due east and set due west.
10. Astronomers call the line that the Sun traces across the celestial sphere the _________.
11. This two word term refers to the angle of 23.5 degrees from the line going through Earth's celestial poles to their actual North and South Poles.
12. The _____ are caused by the tilt of the Earth's rotation axis.
13. The 12 constellations found on the zodiac are called this.
14. Astronomers picture the dome of the night sky as half of this two word object, which surrounds the Earth.
17. This is the action of Earth spinning around its axis. This is found only in your notes.

1. These stars near the north celestial pole never cross below the horizon. If they are near the south celestial pole, they never rise above the horizon.
2. When ancient people looked at the night sky, they noticed the stars form fixed patters on the celestial sphere. This pattern of stars is called a(n) _________.
4. This point on the celestial sphere is directly above the observer.
5. This term refers to the Sun stopping its motion north or south and is static, causing it to reverse direction.
6. This wobbling effect is the reason why constellations have shifted their view over time. Only found in your notes.
8. If you look at the celestial sphere turning overhead, two points on it do not move. These points are defined as the north and south _________ __________.
15. This term refers to dates that involve equal length of day and night.
16. This system of belief states that the stars determined human destinies. Today, this is referred to as a pseudoscience.