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How big is the biggest star?

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Have you ever looked up at the stars and felt small? Have you ever looked at the Moon and thought, "Wow! It looks huge!"? This video gives us perspective on those questions.

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Avatar for R Kaplan
Lesson Creator
Newtown, CT, United States
Is our galaxy a big galaxy?
07/31/2013 • 
 74 Responses
 / 74 Updates

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