Physics 202: Introduction to Astronomy – Lecture 21 Carsten Denker Physics Department Center for Solar–Terrestrial Research.

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Physics 202: Introduction to Astronomy – Lecture 21 Carsten Denker Physics Department Center for Solar–Terrestrial Research

April 26, 2006Center for Solar-Terrestrial Research The Universe of Galaxies  Hubble’s classification of galaxies: spirals, barred spirals, ellipticals, and irregulars  Collisions  Clusters  Distance scale Planetary nebulae Type I supernovae  Tully-Fisher relation  Local group  Virgo clusters  Superclusters  Hubble’s law  Cosmic expansion

April 26, 2006Center for Solar-Terrestrial Research Spiral Galaxies

April 26, 2006Center for Solar-Terrestrial Research Barred-Spiral Galaxies

April 26, 2006Center for Solar-Terrestrial Research Elliptical Galaxies

April 26, 2006Center for Solar-Terrestrial Research Irregular Galaxies

April 26, 2006Center for Solar-Terrestrial Research Tully-Fisher Relation

April 26, 2006Center for Solar-Terrestrial Research Galactic Neighborhood

April 26, 2006Center for Solar-Terrestrial Research Clusters and Superclusters

April 26, 2006Center for Solar-Terrestrial Research Hubble’s Law

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