Question 1 (1 point)Which property of a star can be determined from its color? a

Question 1 (1 point)Which property of a star can be determined from its color? a.

Question 1 (1 point)Which property of a star can be determined from its color?
amass
b
stellar distance
c
surface temperature
d
volume
Question 2 (1 point)Which main sequence stars are the least massive?
ablue
b
orange
c
red
d
yellow
Question 3 (1 point)The sun belongs to which class of stars?
ablack hole
b
main sequence
c
red giant
d
white dwarf
Question 4 (1 point)Which terrestrial planet has a surface landscape similar to that of the older areas of the Earth’s moon?
aMercury
b
Neptune
c
Uranus
d
Venus
Question 5 (1 point)What can astronomers determine based on the observed red shifts in the spectral lines of distant galaxies?
aEarth is in the center of the universe.
b
The universe is contracting.
c
The universe is expanding.
d
The universe is in a steady state.
Question 6 (1 point)Which of these discoveries led to the modern view of the solar system regarding the orbits of the planets?
acircles
b
ellipses
c
hyperbolas
d
parabolas
Question 7 (1 point)Which features are found on both Mars and Earth?
aactive volcanoes
b
erosional features related to flowing water
c
impact craters preserved from early in the planets’ histories
d
oceans
Question 8 (1 point)When a medium-sized, main sequence star, like our sun, has exhausted the fuel in its inner region, it becomes which type of star?
ablack dwarf
b
black hole
c
brown dwarf
d
red giant
Question 9 (1 point)What is used to determine the distances to the stars?
aemission nebulae
b
fluorescence
c
stellar mass
d
stellar parallax
Question 10 (1 point)The apparent backward “drift” of the planets compared to the background stars is known by what term?
aoccultation
b
precession
c
Ptolemaic motion
d
retrograde motion

Question 1 (1 point)Which property of a star can be determined from its color? a

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