National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2010: Ancient Mysteries, Future Discoveries

Share

Promotional Materials!

Sun-Earth Day Flyer

Sun-Earth Day Flyer

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

NASA Fact

The fastest coronal mass ejection was recorded on August 4, 1972 and traveled from the sun to earth in 14.6 hours - a speed of nearly 10 million kilometers per hour!