AST 101 EXAM 1 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

AST 101 EXAM 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
the average distance from the earth to the sun is what unit?
Answer:
1 astronomical unit

Question:
the distance light travels in a year
Answer:
1 light year

Question:
the andromeda galaxy is how many light years away
Answer:
2,000,000 ly

Question:
the stars that appear to lie on a dome above us is the ____ _______
Answer:
the celestial sphere

Question:
the stars appear to be ____ on the celestial sphere
Answer:
fixed

Question:
the earth is what in the celestial sphere model?
Answer:
the center of the universe

Question:
what part of the celestial sphere can we see
Answer:
part above the horizon

Question:
what is the zenith
Answer:
directly overhead

Question:
an obsever can only see what part of the celestial sphere
Answer:
exactly 1/2

, Question:
polaris is ___ in the ____ sky
Answer:
high in the northern sky

Question:
in the celestial sphere model the earth is ___ and the stars appear to ____ around the earth
Answer:
fixed & rotate

Question:
stars that never set
Answer:
circompolar stars

Question:
the earth takes ______ to orbit the sun
Answer:
one year

Question:
the average earth-sun distance is _____
Answer:
1 AU

Question:
the earths axis points toward what star?
Answer:
polaris

Question:
the earh takes ____ to orbit the sun
Answer:
one year

Question:
the earth rotates from ____ to ____
Answer:
west to east

Question:
stars rise in the ___ and set in the ____
Answer:
east & west