1. The Accelerating Universe: On the Secrets of Dark Energy

    01:00:29

    from Keck Observatory / Added

    Nobel Laureate astronomer Brian Schmidt presents the story of the discovery of dark energy to an audience of enthusiastic Keck Observatory donors at the Fairmont Orchid, Big Island of Hawai'i, on March 20, 2012.

    + More details

    What are Tags?

    Tags

    Tags are keywords that describe videos. For example, a video of your Hawaiian vacation might be tagged with "Hawaii," "beach," "surfing," and "sunburn."