If the sun is 4.6 billion years old, how many times has it orbited the Milky Way? (The sun is 8,300 pc from the cemetery of the Milky Way, and orbits the center at a speed of 225 km/s.) ______ times
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If the sun is 4.6 billion years old, how many times has it orbited the Milky Way? (The sun is 8,300 pc from the cemetery of the Milky Way, and orbits the center at a speed of 225 km/s.)
______ times
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