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Solar cycle 23
Results: 45

#	Item
41	The Sunspot Cycle - endings and beginnings The above plot shows the current sunspot cycle (Number 23) based on the average monthly sunspot counts since January, 1994. Problem 1 - About when (month and year) did Sunspot Add to Reading List Source URL: www.nasa.gov Language: English - Date: 2013-04-30 20:26:18 Sunspot Vortices Solar cycle Sun Solar cycle 21 Solar cycle 9 Astronomy Physics Matter
42	GEOPHYSICAL RESEARCH LETTERS, VOL. 40, 4171–4176, doi:[removed]grl.50846, 2013 On the insigniﬁcance of Herschel’s sunspot correlation Jeffrey J. Love1 Received 23 June 2013; revised 8 August 2013; accepted 9 August Add to Reading List Source URL: geomag.usgs.gov Language: English - Date: 2013-10-22 16:28:29 Wolf number Sunspot Solar cycle Space weather Maunder Minimum William Herschel Coronal mass ejection Ionosphere Solar variation Astronomy Space Atmospheric sciences
43	Geomagnetic detection of the sectorial solar magnetic field and the historical peculiarity of minimum 23–24 Add to Reading List Source URL: geomag.usgs.gov Language: English - Date: 2012-11-01 16:39:54 Astrophysics Astronomy Light sources Geomagnetism Sun Solar cycle Solar wind Geomagnetic storm Heliosphere Physics Space plasmas Plasma physics
44	Amateur Radio Propagation Studies The solar cycle 24 The End of Cycle 23 and the beginning of 24 Add to Reading List Source URL: www.qsl.net Language: English - Date: 2007-11-14 12:47:29 Space science Geomagnetism Plasma physics Space plasmas Solar cycle Sunspot Geomagnetic storm Solar maximum Solar variation Sun Astronomy Physics
45	GEOPHYSICAL RESEARCH LETTERS, VOL. 30, NO. 5, 1199, doi:[removed]2002GL016038, 2003 Secular total solar irradiance trend during solar cycles 21–23 Richard C. Willson Center for Climate Systems Research, Columbia Univer Add to Reading List Source URL: www.acrim.com Language: English - Date: 2010-03-23 20:24:49 Space Active Cavity Radiometer Irradiance Monitor Satellite Upper Atmosphere Research Satellite Light sources Photovoltaics Solar cycle Solar Maximum Mission Active cavity radiometer Solar and Heliospheric Observatory Spaceflight Spacecraft Radiometry

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