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Lecture 1: Introduction to Lecture 1: Introduction to CosmologyCosmology
Astronomy 5: The Formation and Evolution of the UniverseAstronomy 5: The Formation and Evolution of the UniverseSandra M. FaberSandra M. Faber
Spring Quarter 2007Spring Quarter 2007
UC Santa CruzUC Santa Cruz
The Andromeda galaxy: big sister of our Milky Way
2 million light years away
60,000 light years across
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The Andromeda galaxy: big sister of our Milky Way
2 million light years away
60,000 light years across
Andromeda is composed of billions of stars
Spirals are flattened, rotating disks seen at various
inclinations
Spirals are flattened, rotating disks seen at various
inclinations
Spirals are flattened, rotating disks seen at various
inclinations
Our Milky Way is a spiral. We live in its disk.
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The Milky Way as seen at dark sites
The constellation Orion against the backdrop of the Milky Way -- a sense of
scale
The constellation Orion against the backdrop of the Milky Way -- a sense of
scale
The Orion nebula imaged by the Hubble Space Telescope
A major recent discovery: color bimodality
A major recent discovery: color bimodality
QuickTime™ and aMotion JPEG A decompressor
are needed to see this picture.
A major recent discovery: color bimodality
A major recent discovery: color bimodality
A major recent discovery: color bimodality
A major recent discovery: color bimodality
A major recent discovery: color bimodality
A major recent discovery: color bimodality
A major recent discovery: color bimodality
A major recent discovery: color bimodality