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Astronomy project
Astro 10-Lecture 13: Quiz 1. T/F We are near the center of our Galaxy 2.Cepheid variable stars can be used as distance indicators because a) They all have.
NASA Astronomy Pictures of the day March 2010 [email protected] .
Galaxies The Life and Death of the Stars. A galaxy is a cluster of stars, gas, and dust that are held together by gravity. There are three main types.
Cosmology and extragalactic astronomy Mat Page Mullard Space Science Lab, UCL 2. Galaxies.
Star Birth AST 112 Lecture 9. Star Birth The Milky Way has 200-400 billion stars. 2-3 stars born per year in our galaxy!
Lecture 18 Stellar populations. Stellar clusters Open clusters: contain 10-1000 stars loose structure Globular clusters: 1000 - 1 million stars centrally.
Stars and Galaxies
Galaxies For Dummies
All you need to know about Galaxies
Galaxies for Dummies
