Astro 10/HarpellQuiz 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______
  1. The seasons are caused by the ______degree tilt of the Earth’s axis.

a. 33.5 b. 18.5c. 23.5 d. 10.5 e) zero

  1. 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
  1. The wobble of the Earth’s axis is known as ______c_____
  2. It takes ______b______years for one complete wobble as described above
  3. Your “sun sign” is the constellation in ______d____ with the sun on the day you were born.
  4. The sun signs were established in the year _____e_____ AD by Ptolemy of Alexandria.
  5. 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.

  1. 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
  1. Due to the spin of the Earth, we are moving about ______b___ here in Livermore
  2. The Earth moves approximately _____c______about the sun.
  3. The Sun takes about ______e______years to complete one orbit of the Milky Way.
  4. 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.