Multiple Choice
How can astronomers measure the period of a planet's orbit?
A) by measuring the time between peaks in the star's velocity curve
B) by measuring the time between repeated transits
C) by timing the cycle of small changes in a stars position on the sky
D) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q6: Consider two main sequence K- stars of
Q7: According to Kepler results in mid- 2013,
Q9: The depth of the dip in a
Q10: Which two quantities need to be measured
Q12: Most of the planets discovered around other
Q13: As of the time of the publication
Q15: You are measuring how velocity changes with
Q16: Direct detection of an extrasolar planet means
Q74: A planet's size can be determined by
Q75: Why is it so difficult to make