A list of well know scientific organizations that are commited to providing high quality education materials to the public.
Solar astronomers of the nineteenth century rapidly recognized that strong flares or other intense activity observed on the Sun were often followed, minutes later, by disturbances in magnetic instruments on Earth. It was discovered that the number of spots seen on the Sun rose and fell in a regular 11-year cycle. Learn about some of history's most famous solar physicists and their contributions to the study of the Sun.
To varying degrees, nearly every known ancient human civilization has been preoccupied with the heavens. For a farming-based society, such as that of the ancestral Pueblo people (Anasazi) of the ancient American Southwest, the Sun is usually an object of central importance, and often plays a pre-eminent role in religious practices.
See a time line of significant events in solar history, that include such topics as the oldest eclipse record, the first plausible recorded sunspot observation, the first mention of the solar corona, and the first telescopic observations of sunspots.
More references to the study of the Sun and Atmospheric sciences. Nearly 1,392,000 km in diameter and 1.989 x 1030 kg in mass, the Sun is the geometric and gravitational center of the planetary system. The energy radiated by the Sun ultimately is the source of all life on our planet Earth.