Galaxy a Is Located at the North Celestial Pole,while Galaxy

question 27

Multiple Choice

Galaxy A is located at the North Celestial Pole,while galaxy B is located at the South Celestial Pole.Galaxy A is 100 Mpc from Earth,while galaxy B is 500 Mpc from Earth.What is the relative velocity between them,as observed from Earth?

• A) 2.8 x 10⁴ km/s
• B) 4.2 x 10⁴ km/s
• C) 9.0 x 10³ km/s
• D) 3.5 x 10⁴ km/s

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