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Why do the spectra of different stars look so different?

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  1. They are made of different elements
  2. They move at different speeds
  3. They have different temperatures

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References

  1. Astronomy 2e, 17.3 The Spectra of Stars (and Brown Dwarfs) openstax.org/books/astronomy-2e/pages/17-3-the-spectra-of-stars-and-brown-dwarfs Checked 2026-10-10.

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