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00:02:00
Watch the beginning of Venus’s transit across the disk of the sun, one of the rarest astronomical events.

00:02:00
Watch the conclusion of Venus’s 6.5-hour journey across the disk of the sun, one of the rarest astronomical events.

00:04:20
Learn about NOAA’s Mauna Loa Observatory on the Big Island of Hawaii, the location of the Exploratorium’s June 5, 2012, webcast of the transit of Venus. A leading atmospheric research facility, the observatory has been collecting and monitoring data relating to atmospheric change since the 1950s. Dr John Barnes, the Station Chief for the observatory, describes the functions of the MLO, which provides valuable long-term and continuous recording of data.

00:03:16
Dr. John Barnes, Station Manager of NOAA's Mauna Loa Observatory, shares the history of Charles Keeling's pioneering carbon dioxide measurements, which have been taken continually at Mauna Loa since 1958.

08:57
Astrophysicist and native Hawaiian Dr. Paul Coleman is used to operating in the worlds of both science and spiritual tradition. But in this short podcast, he tells a story of one time when those two worlds clashed, and he was reminded of the importance of remembering his native roots.