Suppose there are three stars moving with the same total speed of 40 km/s but in three different directions: (A) moving away at an angle of 45 degrees from your line of sight, (B) moving directly away from you, (C) moving perpendicular to your line of sight. List the stars in order of increasing amount of shift you see in their spectral lines (the smallest shift first).
Suppose there are three stars moving with the same total speed of 40 km/s but in three different directions: (A) moving away at an angle of 45 degrees from your line of sight, (B) moving directly away from you, (C) moving perpendicular to your line of sight. List the stars in order of increasing amount of shift you see in their spectral lines (the smallest shift first).
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Suppose there are three stars moving with the same total speed of 40 km/s but in three different directions:
(A) moving away at an angle of 45 degrees from your line of sight, (B) moving directly away from you, (C) moving perpendicular to your line of sight. List the stars in order of increasing amount of shift you see in their spectral lines (the smallest shift first).
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