1. Alex Filippenko: Hearts of Darkness: Black Holes in Space

    01:22:56

    from Steve Croft Added 609 0 0

    Alex Filippenko presents a public talk at UC Berkeley on February 19th, 2011, as part of the Science@Cal Lecture Series described at http://scienceatcal.berkeley.edu/lectures Black holes are regions…

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    • Alex Filippenko: Dark Energy and the Runaway Universe

      01:53:43

      from Steve Croft Added 1,965 10 1

      Alex Filippenko presents a public talk at UC Berkeley on June 20, 2009, in celebration of the International Year of Astronomy, as part of the series described at astro.berkeley.edu/iya . Observations…

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