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Astro 10/Harpell
Quiz 2
For Questions 1 – 5, complete the following sentences using the letter for the correct
terms from the list below:
a. ecliptic
b. equinox
c. celestial
d. Polaris
e. nox
1. The imaginary sphere surrounding the Earth, useful in astronomy, is called the
________c_______ sphere
2. The path of the sun though the sky is known as the _______a______
3. The intersection of the projection of the Earth’s equator and the path of the sun
are called the ________b_______ (s).
4. the star closet to the North Celestial Pole is called ______d______
5. The Latin word for “night” is _______e________
6. The seasons are caused by the ____________ degree tilt of the Earth’s axis.
a. 33.5 b. 18.5
c. 23.5
d. 10.5 e) zero
7. In the movie a “private Universe” which misconception did most of the people
interviewed hold?
a) That the tilt of the Earth’s axis was 90 degrees
b) That the seasons were caused by the distance between the Earth and the Sun.
c) That the seasons were caused by the varying tilt of the Earth’s axis
d) That the seasons were caused by the moon intercepting some of the light from the
sun.
For Questions 8 – 12, complete the following sentences using the letter for the correct
terms from the list below:
a. Zodiac
b. 26,000
c. Precession
d. conjunction
e. 100
8. The wobble of the Earth’s axis is known as ________c_____
9. It takes _______b________ years for one complete wobble as described above
10. Your “sun sign” is the constellation in _______d____ with the sun on the day you
were born.
11. The sun signs were established in the year _____e_____ AD by Ptolemy of
Alexandria.
12. The “band” of 12 constellations along the path of the sun are called the
constellations of the ____a____.
For Questions 13 - 15, complete the following sentences using the letter for the correct
terms from the list below:
a. January
b. celestial pole
c. Solstice
d. vernal equinox
13. The Earth is closest to the sun in _____a______ .
14. During the _______c______ in the Northern Hemisphere, the sun reaches its lowest
point in the sky at midday in the southern hemisphere.
15. The position of the _______d______ has is moving out of Pices towards Ares due to
the wobble of the Earth’s axis.
16. According to a Zodiacal Chart shown in
class, the dates listed for “signs” are as
follows:
If you were born on July 1, which is your true
“sun sign?”
a) Gemini b)Cancer
c)Leo d) Virgo
e) Taurus
For Questions 17 – 20, complete the following sentences using the letter for the correct
terms from the list below:
a. Alpha Centauri
b. 1000 km/hr
c. 30 km/s
d. 14 billion
e. 250 million
17. Due to the spin of the Earth, we are moving about ________b___ here in
Livermore
18. The Earth moves approximately _____c______ about the sun.
19. The Sun takes about ______e_______ years to complete one orbit of the Milky
Way.
20. If we imaging running the Hubble expansion of the universe backwards, we see
that all the galaxies were at a single point _______d____ years ago.