• August 30, 2007

    Episode 117: Earth and Sky

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    Google Earth let users explore the planet through satellite imagery. Now it's letting those users turn their attention to the heavens. Google Earth, working with the Space Telescope Science Institute, now offers a feature that explores the night sky. Users can browse the cosmos and zoom in to get Hubble images, background information and links. And speaking of satellites, 2007 is the 50th anniversary of the International Geophysical Year, declared in 1957. Sixty-seven countries participated in the coordinated attempt to observe the globe and atmosphere. Americans and the Soviet Union successfully launched satellites as part of the program. The National Academy of Sciences is celebrating the anniversary with events around the United States.