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 that inhibit …

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 seen on the Sun’s …

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 less dark, …

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, the magnetic …

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 several …