Global Oscillation Network Group - Features project overview and news of a group attempting to measure the oscillations of the Sun's interior.
Global Oscillation Network Group (GONG) - Extensive information about the group and the project, which aims to conduct a detailed study of solar internal structure and dynamics using helioseismology.
How Stuff Works: Sun - In-depth illustrated description of the Sun, its surface, atmosphere, sunspots, solar prominences and solar flares.
The Inconstant Sun - From NASA Science News, experiment on board shuttle mission STS-107 is monitoring the Sun's variable brightness and its link to terrestrial climate change.
The Michelson Doppler Imager - Provides results and science of an experiment flown on the SOHO spacecraft to study solar oscillations.
NASA/Marshall Solar Physics - The Solar Physics Branch of Marshall Space Flight Center's (MSFC) Space Sciences Laboratory (SSL) is composed of 15 scientists involved in various studies of the physics of the Sun.
Solar Images from SDAC - Daily pictures from the SOHO and Yohkoh space platforms, the US National Solar Observatory, and the Mauna Loa Solar Observatory.
Stanford Solar Center - Presents a collection of educational activities based on Solar Oscillations Investigation (SOI) and Solar and Heliospheric Observatory (SOHO) data.
Sun Position Calculator - Calculates Sun azimuth and altitude for a given location and date.
The Virtual 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.
The Virtual Sun - A virtual tour with basic information. Some movies also available.
Windows to the Univers: Sun - Overview including general information, data, pictures, news, historical and mythological background.
