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 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 …

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 …

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 …

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 …

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 …

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 …