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Sketch illustrating triangulation Figure 12.1

Sketch illustrating triangulation Figure 12.1. A. B. Figure 12.2. A. B. Wein’s law Figure 12.3. The inverse-square law Figure 12.4. Stefan-Boltzmann law Figure 12.5. A. B. Image of the star Betelgeuse Figure 12.6. Computer generated spectra of three stars Figure 12.7. A. B. C.

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Sketch illustrating triangulation Figure 12.1

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  1. Sketch illustrating triangulation Figure 12.1 A B

  2. Figure 12.2 A B

  3. Wein’s law Figure 12.3

  4. The inverse-square law Figure 12.4

  5. Stefan-Boltzmann law Figure 12.5 A B

  6. Image of the star Betelgeuse Figure 12.6

  7. Computer generated spectra of three stars Figure 12.7 A B C

  8. Formation of stellar absorption lines Figure 12.8

  9. Stellar spectral classes Figure 12.9

  10. Measuring a star’s radial velocity Figure 12.10 B A

  11. Measuring a star’s rotation velocity Figure 12.11

  12. Two stars orbiting in a binary system Figure 12.12

  13. Spectroscopic binary star Figure 12.13 A B

  14. Kepler’s third law Figure 12.14

  15. An eclipsing binary and its light curve Figure 12.15

  16. The H-R diagram Figure 12.16

  17. Constructing an H-R diagram Figure 12.17

  18. H-R diagram showing where stars of a given radius will lie Figure 12.18

  19. The mass-luminosity relation Figure 12.19 B A

  20. Spectral lines Figure 12.20 A B C

  21. Stellar luminosity classes Figure 12.21

  22. Variable star light curves Figure 12.22

  23. Instability strip in the H-R diagram Figure 12.23

  24. How astronomers measure the stars Figure 12.24

  25. Relation between a star’s distance and parallax

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