1. 0069a Antikythera mechanism; Analog computer gears

    00:06

    from CelebrateGreeceDOTcom / Added

    for our "Gallery of Greece" at CelebrateGreece.com 69a-07;09;56;00athensnationalarchaeologicalmuseumcomputerantikytheramechanismastrologyastrologicalclockastronomygearsNMComputerCU_antikithera

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    • AAS Glue Demo: The Perseus Shell

      02:54

      from Chris Beaumont / Added

      259 Plays / / 0 Comments

      Using Glue to explore the the shell around the star HD 278942 in Perseus. Featured in Alyssa Goodman's plenary talk at the 223rd American Astronomical Society Meeting

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      • 9a: Atomic Structure

        21:38

        from Andria Schwortz / Added

        312 Plays / / 0 Comments

        Unit 9, movie A: Atomic Structure

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        • ABC Tennant Creek annular eclipse interviews

          02:29

          from David Finlay / Added

          31 Plays / / 0 Comments

          We talk to the ABC Alice Springs crew covering the annular eclipse on May 10th 2013. It's great fun gathering the perspective of these events from such a wide range of people, and I couldn't pass…

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          • Abell 85 in 60 Seconds

            01:17

            from cxcpub / Added

            46 Plays / / 0 Comments

            The composite image shows the galaxy cluster known as Abell 85, which is located about 740 million light years from Earth.

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            • Abell 2052 in 60 Seconds

              01:56

              from cxcpub / Added

              26 Plays / / 0 Comments

              The galaxy cluster Abell 2052 is found some 480 million light years from Earth. At the center of Abell 2052 is a giant elliptical galaxy, and within that is a supermassive black hole.

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              • Abell 1689 in 60 Seconds

                01:30

                from cxcpub / Added

                67 Plays / / 0 Comments

                Abell 1689 is a massive cluster of galaxies located about 2.3 billion light-years away.

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                • Abell 383 in 60 Seconds

                  01:42

                  from cxcpub / Added

                  90 Plays / / 0 Comments

                  Dark matter is mysterious. We know that it is invisible material that does not emit or absorb any type of light, but we can detect it through the gravitational effects it has on material we can see.

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                  • Abell 30 in 60 Seconds

                    01:47

                    from cxcpub / Added

                    7 Plays / / 0 Comments

                    A planetary nebula is formed in the late stage of the evolution of a sun-like star, after it expands to become a red giant.

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                    • Abell 2744 in 60 Seconds (High Definition)

                      01:53

                      from cxcpub / Added

                      49 Plays / / 0 Comments

                      One of the most complicated and dramatic collisions ever seen between galaxy clusters is captured in this new composite image.

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