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1. The stars
1.2

Measuring stars

IB Astronomy Syllabus

SL
Syllabus concepts to know
  • 1.2.1 Constellations
  • 1.2.2 Light pollution
  • 1.2.3 Movement of stars
  • 1.2.4 Astronomical distances
  • 1.2.5 Methods of measuring, size, surface luminosity of stars
  • 1.2.6 The electromagnetic spectrum
  • 1.2.7 Stellar spectra
  • 1.2.8 Stellar parallax and its limitations
  • 1.2.9 Luminosity and apparent brightness
  • 1.2.10 Harvard Spectral Classification
  • 1.2.11 Stefan’s law
  • 1.2.12 Hertzsprung-Russell (HR) diagram

1.1 The sun

1.3 The birth, life and death of stars

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