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- Sunspot - Wikipedia
Sunspots are temporary spots on the Sun's surface that are darker than the surrounding area They are one of the most recognizable Solar phenomena and despite the fact that they are mostly visible in the solar photosphere they usually affect the entire solar atmosphere
- Sunspot regions | Solar activity - SpaceWeatherLive. com
On this page you'll find an overview of all the visible sunspot regions on the Sun together with their properties, images and the chances on solar
- Sunspots: What are they, and why do they occur? | Space
Sunspots are dark, planet-size regions of strong magnetic fields on the surface of the sun They can spawn eruptive disturbances such as solar flares and coronal mass ejections (CMEs) These
- Sunspots and Solar Flares - NASA Space Place
What are sunspots and solar flares? Sunspots are areas that appear dark on the surface of the Sun They appear dark because they are cooler than other parts of the Sun’s surface
- Sunspots - NASA Science
Sunspots are the visible component of active regions, areas of intense and complex magnetic fields on the Sun that are the source of solar eruptions Sunspots can be seen on the Sun’s photosphere, or visible surface of the Sun
- Sunspots - Solar and Heliospheric Observatory
The images are provided by the Solar Dynamics Observatory (SDO) mission Status updates are provided at SDO's JSOC Emergency Resources page
- Sunspots Solar Cycle - NOAA NWS Space Weather Prediction Center
Sunspots appear in a wide variety of shapes and forms The darkest area of a sunspot (also the first to be observed) is called the umbrae As the sunspot matures (becomes more intense), a less dark, outlying area of well-defined fibril-like structure develops around the umbrae - called penumbra
- What are Sunspots and What Causes Them? - High Point Scientific
The Sun, our star, is complex, with a number of interwoven processes having an impact on one another The magnetic field itself may be invisible to the eye, but sunspots provide evidence of its existence and a fascinating way to study a star up close
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