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How do astronomers measure the masses of stars most directly?

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  1. From the star's color alone
  2. From how fast it twinkles
  3. From binary star orbits

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References

  1. Astronomy 2e, 18.2 Measuring Stellar Masses openstax.org/books/astronomy-2e/pages/18-2-measuring-stellar-masses Checked 2026-10-10.

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