Episode: Quirks & Quarks - 2009-01-10_04-What Does the Milky Weigh?


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You need to upgrade your Flash Player This website requires the 'flash player' version 9 or higher. You can download that software (for free) at http://www.adobe.com/go/getflashplayer.
You need to upgrade your Flash Player This website requires the 'flash player' version 9 or higher. You can download that software (for free) at http://www.adobe.com/go/getflashplayer.

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Quirks & Quarks - 2009-01-10_04-What Does the Milky Weigh?
Dr. Mark Reid explains why he thinks the Milky Way is a lot heavier than previously thought