An acclaimed new book racing with explorers and scientists to the ends of the earth in 1769 as they chase the planet Venus and unlock great secrets behind the sky. THE DAY THE WORLD DISCOVERED THE SUN tells a "truly excellent" (New Scientist) "scientific adventure tale" (Kirkus) that "vividly recreates the torturous explorations and enthralling discovery of three peripatetic and insatiably curious explorers.” (Publishers Weekly)



From the Royal Greenwich Observatory in the UK, this 4-minute short film presents the techniques used to measure distances across the universe. It’s from the Observatory’s current exhibition (on display through Sept. 2, 2012) titled “Measuring the Universe: from the transit of Venus to the edge of the cosmos

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