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Galactic Structure

Galactic Structure

shivrajvlog(25)

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Monday, September 10, 2018 10:51 PM

Galactic Structure.png

Harlow Shapley (1920s): Size from globular clusters
Halo is metal poor and > 10 billion years old

Monday, September 10, 2018 10:51 PM

shivrajvlog(25)

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