National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2010: Ancient Mysteries, Future Discoveries

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Sun-Earth Day Flyer

Sun-Earth Day Flyer

Download this year's Sun-Earth Day Flyer and help spread the word!

NASA Fact

Earth's climate was seriously chilled during the Maunder Minimum (1645-1715) when no 11-year sunspot cycles were detected.