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Sunspots and Solar Flares - NASA Space Place
https://spaceplace.nasa.gov/solar-activity/en/
Web2 days ago · The Short Answer: What are sunspots and solar flares? 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.
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Sunspot - Wikipedia
https://en.wikipedia.org/wiki/Sunspot
WebSunspots 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. Sunspots appear within active regions, usually in pairs of opposite magnetic polarity.
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Sunspot regions | Solar activity | SpaceWeatherLive.com
https://www.spaceweatherlive.com/en/solar-activity/sunspot-regions.html
WebOn 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 flares or proton events. This page is updated daily and the sunspot images every hour.
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Sunspots | Center for Science Education
https://scied.ucar.edu/learning-zone/sun-space-weather/sunspots
WebSunspots are dark, planet-sized regions that appear on the surface of the Sun. They are caused by twisting, chaotic magnetic fields from within the Sun’s convective zone. These powerful magnetic disturbances produce active regions on the Sun, which can often create solar flares and coronal mass ejections (CMEs).
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Sunspots: What are they, and why do they occur? | Space
https://www.space.com/sunspots-formation-discovery-observations
WebApr 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 ejections (CMEs). These...
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What are Sunspots and What Causes Them? | High Point Scientific
https://www.highpointscientific.com/astronomy-hub/post/astronomy-101/what-are-sunspots
WebOct 4, 2023 · Author: Richard Bartlett. Views: 752. 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 what are they? What causes them? And is there a way to safely see them for yourself? What Are Sunspots?
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Sunspots/Solar Cycle | NOAA / NWS Space Weather Prediction …
https://www.swpc.noaa.gov/phenomena/sunspotssolar-cycle
WebSunspots are dark areas that become apparent at the Sun’s photosphere as a result of intense magnetic flux pushing up from further within the solar interior. Areas along this magnetic flux in the upper photosphere and chromosphere heat up, and usually become visible as faculae and plage – often times termed active regions.
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Sunspots - Solar and Heliospheric Observatory
https://sohowww.nascom.nasa.gov/sunspots/
Web2 days ago · World Data Center for the Sunspot Index. The Solar Cycle (Solar Cycle Science)
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Sunspot | Solar Flares, Magnetic Fields & Sunspots | Britannica
https://www.britannica.com/science/sunspot
WebApr 16, 2024 · 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 thousand degrees hotter. The dark centre of a spot is called the umbra; the outer, lighter ring is the penumbra.
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A New Look at Sunspots is Helping NASA Scientists Understand …
https://www.nasa.gov/missions/hinode/a-new-look-at-sunspots-is-helping-nasa-scientists-understand-major-flares-and-life-around-other-stars/
WebOct 08, 2020. Article. NASA’s extensive fleet of spacecraft allows scientists to study the Sun extremely close-up – one of the agency’s spacecraft is even on its way to fly through the Sun’s outer atmosphere. But sometimes taking a step back can provide new insight.
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