Parallax would be easier to measure if
A) Earth's orbit was larger.
B) the stars were farther away.
C) Earth moved faster along its orbit.
D) all of these
E) none of these
Correct Answer:
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Q2: In the H-R diagram, 90 percent of
Q3: The most common stars are
A)supergiants.
B)giants.
C)upper (more luminous)
Q3: Which of the following kind of stars
Q4: Diagram 8-1
Use the H-R diagram below to
Q8: The star named Circini has the spectral
Q8: A star's luminosity depends only on the
Q11: In a binary system, the more massive
Q12: Diagram 8-1
Use the H-R diagram below to
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