What does star magnitude measure?

Brightness.

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  1. Brightness ✔
  2. Distance
  3. Color

Why: Magnitude is a scale for a star's brightness. Lower numbers mean brighter stars, and some are magnitude 1 or brighter.

Huh, didn't know that: Magnitude is a scale for a star's brightness. Lower numbers mean brighter stars, and some are magnitude 1 or brighter.

The dad joke
Magnitude is a bright idea for measuring stars!
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References

Answer: Brightness. Magnitude is a scale for a star's brightness. Lower numbers mean brighter stars, and some are magnitude 1 or brighter.

  1. Scouting America: Astronomy www.scouting.org/merit-badges/astronomy
    Star Magnitude (Brightness) Explained
    Checked 2026-11-07.

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