Chapter 15: Problem 46
Mass of the Milky Way's Halo. The Large Magellanic Cloud orbits the Milky Way at a distance of roughly 160,000 light-years from the galactic center and a velocity of about \(300 \mathrm{km} / \mathrm{s}\). Use these values in the orbital velocity formula to estimate the Milky Way's mass within 160,000 light-years from the center.
Short Answer
Step by step solution
Identify the Orbital Velocity Formula
Convert Units and Assign Values
Re-arrange Formula to Solve for Mass
Substitute Values and Calculate
Compute the Mass
Convert Mass to Solar Masses
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Key Concepts
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