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Solar cycle 25 is the current solar cycle, the 25th since 1755, when extensive recording of solar sunspot activity began. It began in December 2019 with a minimum smoothed sunspot number of 1.8. [2] It is expected to continue until about 2030. [3][4]
The Dunn Solar Telescope, also known as the Richard B. Dunn Solar Telescope, [ 1] is a unique vertical-axis solar telescope that specializes in high-resolution imaging and spectroscopy. It is located at Sacramento Peak in Sunspot, New Mexico. It is the main telescope at the Sunspot Solar Observatory, operated by New Mexico State University in ...
Website. www.sunspot.solar. 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 ...
Sunspot AR3664 has been growing over the past few days and is roughly 124,000 miles across-more than 15 times wider than the Earth. A sunspot this large is easy enough to see from Earth; all that ...
Mount Laguna Observatory ( MLO) is an astronomical observatory owned and operated by San Diego State University (SDSU). [ 1] The telescope was operated in partnership with the University of Illinois at Urbana-Champaign (UIUC) until 2000. MLO is located approximately 75 kilometers (47 mi) east of downtown San Diego, California, on the eastern ...
A massive sunspot that caused last month’s intense auroras across large portions of the planet is once again returning to face the Earth.. The AR3723 sunspot, which was formerly known as AR3697 ...
Scientists analyzed famed astronomer Johannes Kepler’s 1607 sketches of sunspots to solve a mystery about the sun’s solar cycle that has persisted for centuries.
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).