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

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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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

asked
User Erwin Draconis
by
9.2k points

2 Answers

4 votes

Answer:

Doppler shift

Step-by-step explanation:

answered
User Alan Krueger
by
8.2k points
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.
answered
User Jash Parekh
by
8.4k points
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