As you drive along a road,trees in the middle distance seem to shift in position relative to faraway hills.What name is given to this phenomenon?
A) Doppler effect
B) Inverse-square law
C) Perspective
D) Parallax
Correct Answer:
Verified
Q22: In order to measure the parallax angle
Q23: Two stars in our sky have the
Q24: Stellar parallax exists because
A) Earth moves in
Q25: Light,leaving a point source,spreads out so
Q26: Suppose that two identical stars (having the
Q28: If Star A has an apparent magnitude
Q29: If stellar parallax can be measured to
Q30: What is the relationship between stellar parallax
Q31: Star A has a luminosity LA =
Q32: The relative brightness of stars as we
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