Open Directory - Science: Astronomy: Solar System: Sun
See also: This category in other languages: - [Greenbelt, Md] Members, organization, news, meetings, contacts. - Explains the phenomenon - the Sun's apparent path in the sky - including simple animations. - Who they are and what they do. Also includes background information, results, data. - Based at NASA/GSFC. Includes sections about the Sun, the cosmic rays and the history of its study. - Offers real time images and observations of the Sun from a variety of ground and space sources. - An unofficial archive of NOAA solar data. - The HELAS Network aims to support and coordinate the exchange of knowledge concerning the global properties of the Sun and stars. - Calculates sun position and plots shadows cast by the sun over any chosen location, with drawing tools to construct your own scene and automatically plot the shadow results. - Offers documents and overview from a series of projects with focus on magnetosphere studies. - Extensive information about the group and the project, which aims to conduct a detailed study of solar internal structure and dynamics using helioseismology. - In-depth illustrated description of the Sun, its surface, atmosphere, sunspots, solar prominences and solar flares. - 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. - Electronic book with technical information about the sun and the solar system. - Daily pictures from the SOHO and Yohkoh space platforms, the US National Solar Observatory, and the Mauna Loa Solar Observatory. - Presents a collection of educational activities based on Solar Oscillations Investigation (SOI) and Solar and Heliospheric Observatory (SOHO) data. - Calculates Sun azimuth and altitude for a given location and date. - An analemma photograph is featured with a detailed description of how it was created. - 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. - Provides results and science of an experiment flown on the SOHO spacecraft to study solar oscillations. - General information, some statistical data and links. - 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. - Pictures, animations, general information and data. - Overview including general information, data, pictures, news, historical and mythological background. - Educational information about the Sun.
