PHY195 Astronomy #01 Spring 2015

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PHY195 Astronomy #01 Sp14

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PHY195 Astronomy #01 Spring 2017

(1:29:10)

PHY195 Astronomy #04 Sp14

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PHY195 Astronomy #01 Spring 2016

(1:29:15)

PHY195 Astronomy #08 Spring 2015

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PHY195 Astronomy #11 Sp14

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PHY195 Astronomy #05 Spring 2016

(1:29:19)

PHY195 Astronomy #09 Spring 2015

(1:29:12)

PHY195 Astronomy #05 Spring 2015

(1:29:13)

PHY195 Astronomy #05 Spring 2017

(1:29:12)