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  • If Betelgeuse exploded, how long would the sky be continu...
Multiple choice

If Betelgeuse exploded, how long would the sky be continuously light for?

  1. 1 hour

  2. 7 years

  3. 2 months

  4. 30 weeks

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the red supergiant Betelgeuse were to explode as a supernova, it would be bright enough to be visible during the day and would likely remain visible in the night sky for several months.

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