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  1. 5 days ago · Learn what sunspots and solar flares are, how they form, and how they affect Earth. See images and animations of the Sun's magnetic activity and its effects on our planet.

  2. Jul 6, 2022 · Solar flares tend to originate from regions of the solar surface that contain sunspots — darker, cooler portions of the solar surface where magnetic fields are particularly strong. As such, the...

  3. Jul 22, 2009 · Sunspots are storms on the sun’s surface that are marked by intense magnetic activity and play host to solar flares and hot gassy ejections from the sun’s corona.

  4. These powerful eruptions can generate any or all of the following: a bright flash of light called a solar flare. a radiation storm, or flurry of solar particles propelled into space at high speeds. an enormous cloud of solar material, called a coronal mass ejection, that billows away from the Sun.

  5. Aug 16, 2024 · These are sunspots, cooler regions on the Sun caused by a concentration of magnetic field lines. 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.

  6. Levels of solar radiation go up or down, as does the amount of material the Sun ejects into space and the size and number of sunspots and solar flares. These changes have a variety of effects in space, in Earth’s atmosphere and on Earth’s surface.

  7. Apr 13, 2023 · Sunspots are cooler regions on the surface of the sun that can spawn eruptive disturbances, such as solar flares and coronal mass ejections.(Image credit: NASA/SDO) Jump to: How do sunspots form?...