WebA solar lentigo is a flat, well- circumscribed patch. It can be round, oval or irregular in shape. Colour varies from skin-coloured, tan to dark brown or black, and size varies from a few millimetres to several centimetres in diameter. They can be slightly scaly. Solar lentigines are found as groups of similar lesions on sun-exposed sites ... Web301 Moved Permanently

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WebSunspot number is correlated with the intensity of solar radiation over the period since 1979, when satellite measurements became available. The variation caused by the … Websunspot, 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. Spots may be several times larger than Earth or so small that … bank in mesa arizona

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WebThey are composed of gas that is cooler than the rest of the sun’s surface, even though the sunspots may be 4,000 degrees Celsius (about 7,000 degrees Fahrenheit). Sono formate di gas più freddo del resto della superficie solare, anche se le macchie solari possono avere una temperatura di 4.000 gradi centigradi. jw2024 WebSu Annunci.net migliaia di annunci gratuiti di case, auto, moto, incontri e offerte di lavoro o pubblica la tua inserzione gratis. Scopri i migliori annunci sul web! WebSunspot: this sunflower has an amazingly large flowerhead (about 25 cm or 10 inches across) but is still a dwarf variety, growing to about 60 cm or 2 feet (0.6 m) in height. … podpisat dokument online