AST 101 EXAM 1 (ANSWERED) LATEST, UPDATED
2024/2025.
the average distance from the earth to the sun is what unit?
1 astronomical unit
the distance light travels in a year
1 light year
the andromeda galaxy is how many light years away
2,000,000 ly
the stars that appear to lie on a dome above us is the ____ _______
the celestial sphere
the stars appear to be ____ on the celestial sphere
fixed
the earth is what in the celestial sphere model?
the center of the universe
what part of the celestial sphere can we see
part above the horizon
what is the zenith
directly overhead
an obsever can only see what part of the celestial sphere
exactly 1/2
polaris is ___ in the ____ sky
high in the northern sky
in the celestial sphere model the earth is ___ and the stars appear to ____ around the earth
fixed & rotate
stars that never set
circompolar stars
the earth takes ______ to orbit the sun
one year
the average earth-sun distance is _____
1 AU
2024/2025.
the average distance from the earth to the sun is what unit?
1 astronomical unit
the distance light travels in a year
1 light year
the andromeda galaxy is how many light years away
2,000,000 ly
the stars that appear to lie on a dome above us is the ____ _______
the celestial sphere
the stars appear to be ____ on the celestial sphere
fixed
the earth is what in the celestial sphere model?
the center of the universe
what part of the celestial sphere can we see
part above the horizon
what is the zenith
directly overhead
an obsever can only see what part of the celestial sphere
exactly 1/2
polaris is ___ in the ____ sky
high in the northern sky
in the celestial sphere model the earth is ___ and the stars appear to ____ around the earth
fixed & rotate
stars that never set
circompolar stars
the earth takes ______ to orbit the sun
one year
the average earth-sun distance is _____
1 AU
