Lab Exercises in Astronomy: How Far is the Galactic Center

Lab Exercises in Astronomy: How Far is the Galactic Center

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This astronomy lab exercise teaches students to reason their way to an answer for a deceptively simple question: how far away is our galaxy's center? Students will measure color-magnitude diagrams of globular star clusters to determine their distances, taking the reddening effects of dust into account. They will then plot the distribution of these clusters and determine the center of this distribution.

LE017