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QUESTION
Using the data presented in Figure 23.21 in the textbook, estimate the distance from the Galactic center at which matter takes 100 million years to...
Using the data presented in Figure 23.21 in the textbook, estimate the distance from the Galactic center at which matter takes 100 million years to complete one orbit.
Estimate the distance from the Galactic center at which matter takes 500 million years to complete one orbit.
