1. The sun, moon, and stars
a. Change their relative position over time.
b. Appear to move each day because the celestial sphere rotates about Earth
c. Rise north or south of West and sets North or South of East depending on their location on the celestial sphere.
d. Always remain in the same position relative to each other.

2. Which stars we see at night depends on (select all that apply)
a. our location on earth.
b. Earth’s location in its orbit.
c. The time of the observation.
d. The motion of stars relative to one another over the course of a year.

3. If you were standing at Earth’s north hole, where would you see the North celestial Pole?
a. At the zenith.
b. On the eastern horizon.
c. 23.5° south of the zenith.
d. None of the above: the North celestial Pole can’t be seen from.

4. Where on earth can you stand and, over the course of the year, see the entire sky?
a. Only at the North Pole.
b. At the equator.
c. At either polls.
d. Anywhere.

5. The seasons are called by _____________________.


6. The tilt of Jupiter’s rotational axis with respect to its orbit plane is 3°. If Earth’s axis had this tilt, then the seasons on earth__________.

a. Would be much more extreme
b. would be much less extreme
c. would be pretty much the same
d. Would occur much differently every year, depending on the alignment.

7. T/F: the celestial sphere is not an actual object in the sky.

8. T/F: if a star rises North of East, it will set south of West.

9. T/F: from the North Pole, All-Stars in the night sky are circumpolar stars.

10. The tilt of the earth’s axis causes the seasons because ___________.
a. One hemisphere of the earth is closest to the sun in the summer.
b. The days are longer summer.
c. Though rays of light strikes the ground more directly in summer.
d. Both a and b
e. Both b and c.

11. What do we call the groups of constellations through which the sun appears to move over the course of a year?
a. The celestial equator
b. The ecliptic.
c. The line of nodes
d. the zodiac

12. If you were standing at Earth’s South Pole, which stars would you see rising and setting.
a. All of them
b. all the stars north of the Arctic Circle
c. all the stars south of the Arctic Circle
d. none of them

13. On the summer solstice in the northern hemisphere, the Sun___________
a. Rises due east, passes through the highest point on the Meridian, and set you West.
b. Rises North East, passes the highest point on the Meridian and sets North of West.
c. Rises more to the east, passes through the highest point on the Meridian, and set south of West.
d. Rises South of East, passes the highest point on the Meridian, and set south of West.
e. None of the above

14. in the tropics
a. The sun is directly overhead twice per year.
b. The sun’s rays strikes earth exactly perpendicular at some times of the year
c. The seasons very blessed than elsewhere on earth.
d. All the above

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Question 1: The answer is option a)
Question 2: The answer are options a) and c)
Question 3: The answer is option a)
Question 4: The answer is option b)...

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