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04:19 Vera Rubin and Dark Matter Vera Rubin and Dark Matter	Vera Rubin and Dark Matter Excerpts from The Ring of Truth, Episode 6: Doubt, hosted by Philip Morrison https://www.youtube.com/watch?v=xhfUfxeh9Lg galaxy side spectrum hydrogen shift region doppler weight planets orbit red light sun star dust emission feet direction alpha clouds From John Terning 0 likes 14 plays 0