karlvanv11 karlvanv11

13-01-2024
Physics

Answered

What would be the orbital period of a star in the outskirts of a spiral galaxy that has a diameter of 96 thousand light years and a total mass of 1.40x1012 MSun. We know that 1 light year = 9.46x1015 m and 1 MSun = 1.99x1030 kg is the Sun's mass. Give your answer in My (mega-years or millions of years).

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