
Sunspot - Wikipedia
Sunspots are temporary spots on the Sun's surface that are darker than the surrounding area. They are regions of reduced surface temperature caused by concentrations of magnetic flux …
Sunspots - NASA Science
Mar 10, 2025 · 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 …
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/Solar Cycle - NOAA / NWS Space Weather Prediction …
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 …
The Sun and Sunspots - National Weather Service
Sunspots are areas where the magnetic field is about 2,500 times stronger than Earth's, much higher than anywhere else on the Sun. Because of the strong magnetic field, the magnetic …
Sunspot | Solar Flares, Magnetic Fields & Sunspots | Britannica
Dec 3, 2025 · sunspot, vortex of gas on the surface of the Sun associated with strong local magnetic activity. Spots look dark only by contrast with the surrounding photosphere, which is …
Sunspots - Center for Science Education
Sunspots are dark, planet-sized regions that appear on the surface of the Sun, created by regions of powerful magnetic fields.
What are Sunspots and What Causes Them? - High Point Scientific
Oct 4, 2023 · At some time or another, you’ve probably seen photos of the Sun with dark spots on its surface. These markings, known as sunspots, have been studied for hundreds of years, but …
Sunspots - NASA
A New Look at Sunspots is Helping NASA Scientists Understand Major Flares and Life Around…
Sunspots: What are they, and why do they occur? - Space.com
Apr 13, 2023 · 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 …