Sunspot activity cycles about every eleven years. The point of highest sunspot activity during a cycle is known as solar maximum, and the point of lowest activity as ...
04 February 2016 - Mission Day: 7370 - DOY: 035. About us home: about: gallery: data/archive: operations: publications
Sunspot Cycle Predictions: Click on image for larger version. ... Although sunspots themselves produce only minor effects on solar emissions, ...
What You'll Find in Each Section. The "HISTORY" section discusses the importance of the sun to ancient cultures and their understanding of sunspots.
Sunspots are regions on the solar surface that appear dark because they are cooler than the surrounding photosphere, typically by about 1500 K (thus, they are still ...
Approximately once a week, Spaceweather.com and the students of Earth to Sky Calculus fly "space weather balloons" to the stratosphere over California.
Sunspots. Sunspots are dark areas of irregular shape on the surface of the Sun. Their short-term and long-term cyclical nature has been established in ...
The Sunspot Number. Scientists track solar cycles by counting sunspots -- cool planet-sized areas on the Sun where intense magnetic loops ...
The electric currents in the Sun, as well as in planets and galaxies, generate magnetic fields. Sunspots, temporary disturbances in the Sun's photosphere, are the ...
Sunspots are dark, planet-sized regions that appear on the "surface" of the Sun. Sunspots are "dark" because they are colder than the areas around them.