3.2
Measuring galaxies
IB Astronomy Syllabus
SLSyllabus concepts to know
- 3.2.1 The Hubble classification for naming galaxies
- 3.2.2 Features of elliptical, lenticular and spiral galaxies
- 3.2.3 Irregular galaxies
- 3.2.4 Formation of galaxies as a result of density gas produced by the Big Bang
- 3.2.5 Cosmic distance ladder - Trigonometric parallax - Cepheid variables: period-luminosity - Type Ia Supernovae: maximum luminosity
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