Which of the following terms is given to a pair of stars that appear to change positions in the sky,indicating that they are orbiting one another?
A) visual binary
B) eclipsing binary
C) spectroscopic binary
D) double star
E) none of the above
Correct Answer:
Verified
Q2: The most distant stars we can measure
Q3: Suppose that you measure the parallax angle
Q4: Approximately,what basic composition are all stars born
Q5: Which of the following statements about spectral
Q6: Which of the following persons used the
Q7: The spectral sequence sorts stars according to
A)mass.
B)surface
Q8: Which of the following persons reorganized the
Q9: Suppose you measure the parallax angle for
Q10: Which of the following correctly states the
Q11: Why is the spectral sequence of stars
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