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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.

WatchThink Dig Deeper Discuss …And Finally

If, today, you started flying around the Red Hypergiant in the airplane described in the video (at 1:50), how old would you be when you finally finished your trip around the star?

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