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Milky Way Quiz: Test Your Galaxy Smarts

Dust off your spiral arms and fatten up your bulge — it's time to tap into your inner galaxy to test your smarts about the Milky Way. Our home in space is a strange and wondrous place that scientists are still trying to figure out. See what you know!
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The Milky Way Galaxy is organized into spiral arms of giant stars that illuminate interstellar gas and dust. The sun is in a finger called the Orion Spur.
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