Which of the following is used to determine if a star is moving closer to Earth? (2 points) Absolute magnitude Brightness Doppler shift Parallax

asked Jan 9, 2019 225k views

5 votes

Which of the following is used to determine if a star is moving closer to Earth? (2 points)

Absolute magnitude
Brightness
Doppler shift
Parallax

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4 votes

Answer:

Doppler shift

Step-by-step explanation:

Alan Krueger answered Jan 10, 2019

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3 votes

Doppler shift - if it’s red shift it’s moving away from you. If it’s blue shift it’s moving towards you.

Jash Parekh answered Jan 12, 2019

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