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2 days ago · Sunspots are visible as dark patches on the Sun's photosphere and correspond to concentrations of magnetic field where convective transport of heat is inhibited from the solar interior to the surface. As a result, sunspots are slightly cooler than the surrounding photosphere, so they appear dark.
Jul 22, 2024 · The cooler, denser plasma appears dark against the raging surface of the sun in this view from a NASA spacecraft. Two loops of "dark" plasma exploded from the sun yesterday (July 21), and a NASA ...
2 days ago · Sunspots are areas that appear dark on the surface of the Sun. They appear dark because they are cooler than other parts of the Sun’s surface. Solar flares are a sudden explosion of energy caused by tangling, crossing or reorganizing of magnetic field lines near sunspots.
Jul 27, 2024 · 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 convection .
5 days ago · The dark gray region between the Moon and Earth is the umbra, where the Sun is completely obscured by the Moon. The small area where the umbra touches Earth's surface is where a total eclipse can be seen.
Jul 7, 2024 · Spawning huge sunspots, unleashing powerful solar flares and coronal mass ejections (CMEs) and triggering impressive widespread aurora displays, the sun has certainly been keeping us on our toes.
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Jul 19, 2024 · Sun allergy is a broad term. It describes several conditions that cause an itchy rash to form on the skin after being in sunlight or other sources of ultraviolet (UV) radiation. Polymorphous light eruption is the most common form of sun allergy. Some people have a hereditary type of sun allergy.
