National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2010: Ancient Mysteries, Future Discoveries

Share

Get Connected

Astronomical Leagues Near You

The Astronomical League is composed of over two hundred and forty local amateur astronomical societies from all across the United States. There basic goal is to encourage an interest in astronomy (and especially amateur astronomy) throughout America whether it is through their local astronomical society, school, or their own instruments, and use them to view the beauty in the heavens. Use this site to contact nearby astronomical societies that are members of the Astronomical League!

Association of Science and Technology Centers

Links to members.

International Planetarium Society

Worldwide Listing of Planetaria.

National Science Teachers Association

Local Chapters and Associated Groups

National Association of Geoscience Teachers

Regional Sections

NASA Fact

Between May 10-12, 1999, the solar wind nearly vanished, causing Earth's magnetosphere to expand in volume by over 100 times!