Stars & the Universe — Chapter overview · Earth & Space Science, Grade 9
Use stellar models, diagrams, and spectra to explain energy, elements, and cosmic history.
Chapter question
What can light tell us about objects we cannot visit?
Units in this chapter
- Unit 8.1 · Stars, Fusion & Element Formation
I can explain how fusion supplies a star’s energy and how that energy reaches Earth.
- Unit 8.2 · Star Properties & H–R Diagrams
I can interpret a star’s temperature and luminosity on an H–R diagram.
- Unit 8.3 · Spectra & Evidence for an Expanding Universe
I can compare spectral-line patterns to infer composition and wavelength shift.