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 …

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 …

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 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 …

5 days ago · 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, …

Sunspots are dark, planet-sized regions that appear on the surface of the Sun, created by regions of powerful magnetic fields.

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 …

Jan 13, 2025 · Powerful magnetic fields inside the Sun collide to create darker, cooler patches on the solar surface. Sunspots range from a few kilometers wide to more than 100 times the size …

Sep 25, 2025 · Why are sunspots relatively cool? It’s because they form at areas where magnetic fields are particularly strong. These magnetic fields are so strong that they keep some of the …

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 …