HSC Together Year 12 Physics: Spectra of Stars

Physics

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Spectra of Stars

This section is part of the HSC Physic syllabus Module 7: Nature of Light under Electromagnetic Spectrum.

We know all about the star life cycle and that there are lots of different type and stages of stars. But how do we tell the difference between them?

The spectra (wave emission) of stars can provide information on their:

  • Surface temperature
  • Rotational and translational velocity
  • Density
  • Chemical composition

 

Emission and Absorption of Spectra

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