Sun-Earth Day - Official NASA site for the Sun-Earth Day. Learn about the series of space science programmes and events that occur throughout the year culminating with a celebration on or near the Spring Equinox.
Ancient Observatories, Timeless Knowledge - NASA's Sun Earth Day 2005. Find pictures of and educational materials about ancient and modern observatories designed to help you understand how the Sun has been viewed through time.
Eclipse in a Different Light - Celebrate NASA's Sun-Earth Day 2006. Watch the live webcast of the March 29, 2006, total solar eclipse from Turkey. Includes educational kits, photographs, and drawings of past eclipses, as well as other interesting Sun-Earth facts.
Venus Transit 2004: Sun-Earth Day - Features a number of educational opportunities for students and teachers to participate in on March 19th. Also provides general information about the June 8th transit of Venus.
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- NASA's Sun-Earth Day 2007.