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The Sunspot Solar Observatory (SSO) is an astronomical observatory designed for the study of the Sun. The observatory is operated by New Mexico State University (NMSU) and the U.S. National Solar Observatory (NSO). It is split between operations at the telescope facility at Sunspot, New Mexico, and data and management at the Department of ...
San Diego State University ( SDSU) is a public research university in San Diego, California. Founded in 1897 as San Diego Normal School, it is the third-oldest university and southernmost in the 23-member California State University (CSU) system. San Diego State University offers students bachelor’s degrees in 97 areas, master’s degrees in ...
California. , U.S. Website. www .engineering .sdsu .edu. San Diego State University College of Engineering provides San Diego State University students with undergraduate and graduate engineering education. The College of Engineering offers eight degree programs. The Aerospace Engineering, Civil Engineering, Computer Engineering, Electrical ...
Sunspot number is correlated with the intensity of solar radiation over the period since 1979, when satellite measurements became available. The variation caused by the sunspot cycle to solar output is on the order of 0.1% of the solar constant (a peak-to-trough range of 1.3 W·m −2 compared with 1366 W·m −2 for the average solar constant).
sdstate .edu. South Dakota State University ( SDSU or SD State) is a public land-grant research university in Brookings, South Dakota. Founded in 1881, it is the state's largest and most comprehensive university and the oldest continually operating university in South Dakota. [4] The university is governed by the South Dakota Board of Regents ...
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Solar cycle 18. Solar cycle 18 was the eighteenth solar cycle since 1755, when extensive recording of solar sunspot activity began. [1] [2] The solar cycle lasted 10.2 years, beginning in February 1944 and ending in April 1954. The maximum smoothed sunspot number observed during the solar cycle was 218.7 (May 1947), and the starting minimum was ...