Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-astronomy-b966e5789aec

Which is an example of a red star?

Betelgeuse.

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  1. The Sun
  2. Betelgeuse ✔
  3. Sirius

Why: Betelgeuse is a red star, meaning it is cooler at its surface than blue stars like Rigel.

Huh, didn't know that: Betelgeuse is a red star, meaning it is cooler at its surface than blue stars like Rigel.

The dad joke
Betelgeuse is red hot, well, red warm!
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References

Answer: Betelgeuse. Betelgeuse is a red star, meaning it is cooler at its surface than blue stars like Rigel.

  1. Scouting America: Astronomy www.scouting.org/merit-badges/astronomy
    Identify at least one red star, one blue star, and one yellow star (other than the Sun).
    Checked 2026-11-07.

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