Daily pictures from the SOHO and Yohkoh space platforms, the US National Solar Observatory, and the Mauna Loa Solar Observatory.
Based at NASA/GSFC. Includes sections about the Sun, the cosmic rays and the history of its study.
Calculates Sun azimuth and altitude for a given location and date.
Presents a collection of educational activities based on Solar Oscillations Investigation (SOI) and Solar and Heliospheric Observatory (SOHO) data.
Who they are and what they do. Also includes background information, results, data.
Educational information about the Sun.
Virtual tour of the sun which uses images, diagrams, and movies to illustrate subjects such as solar wind, solar flares, the solar surface and sunspots.
In-depth illustrated description of the Sun, its surface, atmosphere, sunspots, solar prominences and solar flares.
Pictures, animations, general information and data.
[Greenbelt, Md] Members, organization, news, meetings, contacts.