'Edwin hubble divided galaxies' diaporamas de présentation

5 External Galaxies (mainly CO 23 (25 in 2 nd ed.))

5 External Galaxies (mainly CO 23 (25 in 2 nd ed.)). Classification schemes (based on optical catalogs , e.g. Revised Shapley-Ames Catalog , Sandage & Tammann 1981 , hence bright galaxies) - Hubble sequence or tuning-fork

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Introduction to Galaxies

Introduction to Galaxies. Chapter 9 Earth and Space Science Class. What are Galaxies?. Galaxy - a group of billions of stars and their planets, gas, and dust that extends over many thousands of light-years and forms a unit within the universe.

578 views • 45 slides

Galaxies

256 views • 12 slides