iloa galaxy forum usa 2013 - mariska kriek
TRANSCRIPT
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Mariska KriekUC Berkeley
Growing Galaxies
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Our Milky Way
Credit: R. Hurt (SSC)
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Our Milky Way
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Andromeda
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M87
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Our neighbors
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Redder / older
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Rounder
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Heavier
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How did elliptical and spiral galaxies form?
Are they connected?
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Lifetime
80 years
5,000,000,000 years
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Looking back in timeSun
Closest star
Andromeda
2.4 million light-years
4 light-years
8 light-minutes
Cosmic microwave background
13.7 billion light-years
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The deepest view on the Universe
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“Elliptical” galaxies in the early Universe
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Comparison to the Milky Way
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The night sky when you live in such a galaxy
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Increase in size
Credit: K. Glazebrook
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How do distant compact galaxies grow in size?
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Credit: A. Kravtsov
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Increase in size
Credit: K. Glazebrook
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But what about the connection between the spirals and ellipticals
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“Disk” galaxies in the early universe
Credit: G. Barro (CANDELS)
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Metamorphosis?
?
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Credit: Phil Hopkins
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