What is parallax?
A) the distance to an object, measured in parsecs
B) the difference between the apparent and absolute magnitude
C) the apparent shift in position of an object caused by a change in the observer's position
D) the shift in angular position of an object as the object actually moves in space
Correct Answer:
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Q2: Parallax measurements of the distances to the
Q3: A star has a parallax angle of
Q4: The parallax of a star is _
Q5: If the distance between Earth and a
Q6: If Star A has a parallax angle
Q7: A star's parallax can reveal its distance.
Q8: A star has a parallax of 0.04
Q9: The method of standard candles can be
Q10: If it were possible to move a
Q11: If a star has an apparent magnitude
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