Solar phenomena (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Solar phenomena" in English language version.

refsWebsite

Global rank English rank

16web.archive.org

1^st place

14harvard.edu

18^th place

17^th place

14doi.org

2^nd place

9nasa.gov

75^th place

83^rd place

6semanticscholar.org

11^th place

8^th place

3books.google.com

3^rd place

3arxiv.org

69^th place

59^th place

3nih.gov

4^th place

3ucar.edu

7,843^rd place

5,892^nd place

3noaa.gov

212^th place

172^nd place

2worldcat.org

5^th place

1nationalacademies.org

7,189^th place

6,078^th place

1psu.edu

207^th place

136^th place

1osa-opn.org

low place

1abc.net.au

139^th place

108^th place

1navy.mil

237^th place

170^th place

1jstor.org

26^th place

20^th place

1nap.edu

2,128^th place

1,553^rd place

1sciencedaily.com

993^rd place

920^th place

1handle.net

102^nd place

76^th place

1universetoday.com

3,691^st place

3,233^rd place

1montana.edu

7,206^th place

4,616^th place

1cern.ch

1,959^th place

1,611^th place

1ips.gov.au

low place

1archive.org

6^th place

1ornl.gov

5,534^th place

4,538^th place

1cbc.ca

115^th place

82^nd place

1newscientist.com

774^th place

716^th place

1bldrdoc.gov

low place

7,132^nd place

1zoominternet.net

low place

1springer.com

274^th place

309^th place

abc.net.au (Global: 139^th place; English: 108^th place)

Kruszelnicki, Karl S. (17 April 2012). "Dr Karl's Great Moments In Science: Lazy Sun is less energetic than compost". Australian Broadcasting Corporation. Retrieved 25 February 2014. Every second, the Sun burns 620 million tonnes of hydrogen...

archive.org (Global: 6^th place; English: 6^th place)

Kallenrode, May-Britt (2004). Space Physics: An Introduction to Plasmas and. Springer. ISBN 978-3-540-20617-0.

arxiv.org (Global: 69^th place; English: 59^th place)

Emilio, M.; Kuhn, J. R.; Bush, R. I.; Scholl, I. F. (2012). "Measuring the Solar Radius from Space during the 2003 and 2006 Mercury Transits". The Astrophysical Journal. 750 (2): 135. arXiv:1203.4898. Bibcode:2012ApJ...750..135E. doi:10.1088/0004-637X/750/2/135. S2CID 119255559.
Basu, S.; Antia, H. M. (2008). "Helioseismology and Solar Abundances". Physics Reports. 457 (5–6): 217–283. arXiv:0711.4590. Bibcode:2008PhR...457..217B. doi:10.1016/j.physrep.2007.12.002. S2CID 119302796.
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). "A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s". Physical Review Letters. 91 (21) 211101. arXiv:astro-ph/0310823. Bibcode:2003PhRvL..91u1101U. doi:10.1103/PhysRevLett.91.211101. PMID 14683287. S2CID 20754479.

bldrdoc.gov (Global: low place; English: 7,132^nd place)

its.bldrdoc.gov

Federal Standard 1037C [2]Glossary of Telecommunications Terms], retrieved 2011 Dec 15

books.google.com (Global: 3^rd place; English: 3^rd place)

Siscoe, George L.; Schrijver, Carolus J., eds. (2010). Heliophysics: evolving solar activity and the climates of space and earth (1. publ. ed.). Cambridge: Cambridge University Press. ISBN 978-0-521-11294-9. Retrieved 28 August 2014.
Simon, A. (2001). The Real Science Behind the X-Files: Microbes, meteorites, and mutants. Simon & Schuster. pp. 25–27. ISBN 978-0-684-85618-6.
National Research Council (U.S.). Task Group on Ground-based Solar Research (1998). Ground-based Solar Research: An Assessment and Strategy for the Future. Washington D.C.: National Academy Press. p. 10.

cbc.ca (Global: 115^th place; English: 82^nd place)

"Scientists probe northern lights from all angles". CBC. 22 October 2005.

cern.ch (Global: 1,959^th place; English: 1,611^th place)

cds.cern.ch

Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). "A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s". Physical Review Letters. 91 (21) 211101. arXiv:astro-ph/0310823. Bibcode:2003PhRvL..91u1101U. doi:10.1103/PhysRevLett.91.211101. PMID 14683287. S2CID 20754479.

doi.org (Global: 2^nd place; English: 2^nd place)

Emilio, M.; Kuhn, J. R.; Bush, R. I.; Scholl, I. F. (2012). "Measuring the Solar Radius from Space during the 2003 and 2006 Mercury Transits". The Astrophysical Journal. 750 (2): 135. arXiv:1203.4898. Bibcode:2012ApJ...750..135E. doi:10.1088/0004-637X/750/2/135. S2CID 119255559.
Woolfson, M. (2000). "The origin and evolution of the solar system". Astronomy & Geophysics. 41 (1): 1.12 – 1.19. Bibcode:2000A&G....41a..12W. CiteSeerX 10.1.1.475.5365. doi:10.1046/j.1468-4004.2000.00012.x.
Basu, S.; Antia, H. M. (2008). "Helioseismology and Solar Abundances". Physics Reports. 457 (5–6): 217–283. arXiv:0711.4590. Bibcode:2008PhR...457..217B. doi:10.1016/j.physrep.2007.12.002. S2CID 119302796.
Connelly, James N.; Bizzarro, Martin; Krot, Alexander N.; Nordlund, Åke; Wielandt, Daniel; Ivanova, Marina A. (2 November 2012). "The Absolute Chronology and Thermal Processing of Solids in the Solar Protoplanetary Disk". Science. 338 (6107): 651–655. Bibcode:2012Sci...338..651C. doi:10.1126/science.1226919. PMID 23118187. S2CID 21965292.
Portman, D. J. (1952-03-01). "Review of Cycles in Weather and Solar Activity. by Maxwell O. Johnson". The Quarterly Review of Biology. 27 (1): 136–137. doi:10.1086/398866. JSTOR 2812845.
Kopp, G.; Lawrence, G; Rottman, G. (2005). "The Total Irradiance Monitor (TIM): Science Results". Solar Physics. 20 (1–2): 129–139. Bibcode:2005SoPh..230..129K. doi:10.1007/s11207-005-7433-9. S2CID 44013218.
Eddy, J.A. (1990). "Samuel P. Langley (1834–1906)". Journal for the History of Astronomy. 21: 111–20. Bibcode:1990JHA....21..111E. doi:10.1177/002182869002100113. S2CID 118962423. Archived from the original on May 10, 2009.
Foukal, P. V.; Mack, P. E.; Vernazza, J. E. (1977). "The effect of sunspots and faculae on the solar constant". The Astrophysical Journal. 215: 952. Bibcode:1977ApJ...215..952F. doi:10.1086/155431.
Willson RC, Gulkis S, Janssen M, Hudson HS, Chapman GA (February 1981). "Observations of Solar Irradiance Variability". Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. doi:10.1126/science.211.4483.700. PMID 17776650.
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). "A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s". Physical Review Letters. 91 (21) 211101. arXiv:astro-ph/0310823. Bibcode:2003PhRvL..91u1101U. doi:10.1103/PhysRevLett.91.211101. PMID 14683287. S2CID 20754479.
Feldman, U.; Landi, E.; Schwadron, N. A. (2005). "On the sources of fast and slow solar wind". Journal of Geophysical Research. 110 (A7): A07109.1–A07109.12. Bibcode:2005JGRA..110.7109F. doi:10.1029/2004JA010918.
Feldstein, Y. I. (1986). "A Quarter Century with the Auroral Oval". EOS. 67 (40): 761. Bibcode:1986EOSTr..67..761F. doi:10.1029/EO067i040p00761-02.
Hoyt, Douglas V.; Schatten, Kenneth H. (1995-09-01). "Overlooked sunspot observations by Hevelius in the early Maunder Minimum, 1653–1684". Solar Physics. 160 (2): 371–378. Bibcode:1995SoPh..160..371H. doi:10.1007/BF00732815. ISSN 1573-093X.
Burns, D.; Baldwin, J. E.; Boysen, R. C.; Haniff, C. A.; et al. (September 1997). "The surface structure and limb-darkening profile of Betelgeuse". Monthly Notices of the Royal Astronomical Society. 290 (1): L11–L16. Bibcode:1997MNRAS.290L..11B. doi:10.1093/mnras/290.1.l11.

handle.net (Global: 102^nd place; English: 76^th place)

hdl.handle.net

Contribution of High Charge and Energy (HZE) Ions During Solar-Particle Event of September 29, 1989 Kim, Myung-Hee Y.; Wilson, John W.; Cucinotta, Francis A.; Simonsen, Lisa C.; Atwell, William; Badavi, Francis F.; Miller, Jack, NASA Johnson Space Center; Langley Research Center, May 1999.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Emilio, M.; Kuhn, J. R.; Bush, R. I.; Scholl, I. F. (2012). "Measuring the Solar Radius from Space during the 2003 and 2006 Mercury Transits". The Astrophysical Journal. 750 (2): 135. arXiv:1203.4898. Bibcode:2012ApJ...750..135E. doi:10.1088/0004-637X/750/2/135. S2CID 119255559.
Woolfson, M. (2000). "The origin and evolution of the solar system". Astronomy & Geophysics. 41 (1): 1.12 – 1.19. Bibcode:2000A&G....41a..12W. CiteSeerX 10.1.1.475.5365. doi:10.1046/j.1468-4004.2000.00012.x.
Basu, S.; Antia, H. M. (2008). "Helioseismology and Solar Abundances". Physics Reports. 457 (5–6): 217–283. arXiv:0711.4590. Bibcode:2008PhR...457..217B. doi:10.1016/j.physrep.2007.12.002. S2CID 119302796.
Connelly, James N.; Bizzarro, Martin; Krot, Alexander N.; Nordlund, Åke; Wielandt, Daniel; Ivanova, Marina A. (2 November 2012). "The Absolute Chronology and Thermal Processing of Solids in the Solar Protoplanetary Disk". Science. 338 (6107): 651–655. Bibcode:2012Sci...338..651C. doi:10.1126/science.1226919. PMID 23118187. S2CID 21965292.
Kopp, G.; Lawrence, G; Rottman, G. (2005). "The Total Irradiance Monitor (TIM): Science Results". Solar Physics. 20 (1–2): 129–139. Bibcode:2005SoPh..230..129K. doi:10.1007/s11207-005-7433-9. S2CID 44013218.
Eddy, J.A. (1990). "Samuel P. Langley (1834–1906)". Journal for the History of Astronomy. 21: 111–20. Bibcode:1990JHA....21..111E. doi:10.1177/002182869002100113. S2CID 118962423. Archived from the original on May 10, 2009.
Foukal, P. V.; Mack, P. E.; Vernazza, J. E. (1977). "The effect of sunspots and faculae on the solar constant". The Astrophysical Journal. 215: 952. Bibcode:1977ApJ...215..952F. doi:10.1086/155431.
Willson RC, Gulkis S, Janssen M, Hudson HS, Chapman GA (February 1981). "Observations of Solar Irradiance Variability". Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. doi:10.1126/science.211.4483.700. PMID 17776650.
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). "A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s". Physical Review Letters. 91 (21) 211101. arXiv:astro-ph/0310823. Bibcode:2003PhRvL..91u1101U. doi:10.1103/PhysRevLett.91.211101. PMID 14683287. S2CID 20754479.
Feldman, U.; Landi, E.; Schwadron, N. A. (2005). "On the sources of fast and slow solar wind". Journal of Geophysical Research. 110 (A7): A07109.1–A07109.12. Bibcode:2005JGRA..110.7109F. doi:10.1029/2004JA010918.
Feldstein, Y. I. (1963). "Some problems concerning the morphology of auroras and magnetic disturbances at high latitudes". Geomagnetism and Aeronomy. 3: 183–192. Bibcode:1963Ge&Ae...3..183F.
Feldstein, Y. I. (1986). "A Quarter Century with the Auroral Oval". EOS. 67 (40): 761. Bibcode:1986EOSTr..67..761F. doi:10.1029/EO067i040p00761-02.
Hoyt, Douglas V.; Schatten, Kenneth H. (1995-09-01). "Overlooked sunspot observations by Hevelius in the early Maunder Minimum, 1653–1684". Solar Physics. 160 (2): 371–378. Bibcode:1995SoPh..160..371H. doi:10.1007/BF00732815. ISSN 1573-093X.
Burns, D.; Baldwin, J. E.; Boysen, R. C.; Haniff, C. A.; et al. (September 1997). "The surface structure and limb-darkening profile of Betelgeuse". Monthly Notices of the Royal Astronomical Society. 290 (1): L11–L16. Bibcode:1997MNRAS.290L..11B. doi:10.1093/mnras/290.1.l11.

ips.gov.au (Global: low place; English: low place)

Kennwell, John (2014). "Naked Eye Sunspots". Bureau of Meteorology. Commonwealth of Australia. Archived from the original on 3 September 2014. Retrieved 29 August 2014.

jstor.org (Global: 26^th place; English: 20^th place)

Portman, D. J. (1952-03-01). "Review of Cycles in Weather and Solar Activity. by Maxwell O. Johnson". The Quarterly Review of Biology. 27 (1): 136–137. doi:10.1086/398866. JSTOR 2812845.

montana.edu (Global: 7,206^th place; English: 4,616^th place)

solar.physics.montana.edu

"About Filaments and Prominences". Retrieved 2010-01-02.

nap.edu (Global: 2,128^th place; English: 1,553^rd place)

books.nap.edu

Baker, Daniel N.; et al. (2008). Severe Space Weather Events – Understanding Societal and Economic Impacts: A Workshop Report. National Academies Press. p. 77. ISBN 978-0-309-12769-1.

nasa.gov (Global: 75^th place; English: 83^rd place)

science.nasa.gov

"How Round is the Sun?". NASA. 2 October 2008. Archived from the original on 17 September 2018. Retrieved 7 March 2011.
"First Ever STEREO Images of the Entire Sun". NASA. 6 February 2011. Archived from the original on 8 March 2011. Retrieved 7 March 2011.
[1] Archived 2021-02-24 at the Wayback Machine NASA Science
Phillips, Tony (21 Jan 2009). "Severe Space Weather—Social and Economic Impacts". NASA Science News. National Aeronautics and Space Administration. Archived from the original on 2021-06-02. Retrieved 2014-05-07.
Bell, Trudy E.; T. Phillips (6 May 2008). "A Super Solar Flare". NASA Science News. National Aeronautics and Space Administration. Retrieved 2014-05-07.

helios.gsfc.nasa.gov

Christian, Eric R. (5 March 2012). "Coronal Mass Ejections". NASA.gov. Archived from the original on 10 April 2000. Retrieved 9 July 2013.

www-istp.gsfc.nasa.gov

Nicky Fox. "Coronal Mass Ejections". Goddard Space Flight Center @ NASA. Retrieved 2011-04-06.

solarscience.msfc.nasa.gov

Suess, Steve (June 3, 1999). "Overview and Current Knowledge of the Solar Wind and the Corona". The Solar Probe. NASA/Marshall Space Flight Center. Archived from the original on June 10, 2008. Retrieved 2008-05-07.

missionscience.nasa.gov

National Aeronautics and Space Administration, Science Mission Directorate (2009). "Space Weather 101". Mission:Science. Archived from the original on 2010-02-07. Retrieved 2014-08-30.

nationalacademies.org (Global: 7,189^th place; English: 6,078^th place)

www8.nationalacademies.org

Giampapa, Mark S; Hill, Frank; Norton, Aimee A; Pevtsov, Alexei A. "Causes of Solar Activity" (PDF). A Science White Paper for the Heliophysics 2010 Decadal Survey: 1. Retrieved 26 August 2014.

navy.mil (Global: 237^th place; English: 170^th place)

aa.usno.navy.mil

"Equinoxes, Solstices, Perihelion, and Aphelion, 2000–2020". US Naval Observatory. 31 January 2008. Archived from the original on 13 October 2007. Retrieved 17 July 2009.

newscientist.com (Global: 774^th place; English: 716^th place)

"Earth dodges magnetic storm". New Scientist. 24 June 1989.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Connelly, James N.; Bizzarro, Martin; Krot, Alexander N.; Nordlund, Åke; Wielandt, Daniel; Ivanova, Marina A. (2 November 2012). "The Absolute Chronology and Thermal Processing of Solids in the Solar Protoplanetary Disk". Science. 338 (6107): 651–655. Bibcode:2012Sci...338..651C. doi:10.1126/science.1226919. PMID 23118187. S2CID 21965292.
Willson RC, Gulkis S, Janssen M, Hudson HS, Chapman GA (February 1981). "Observations of Solar Irradiance Variability". Science. 211 (4483): 700–2. Bibcode:1981Sci...211..700W. doi:10.1126/science.211.4483.700. PMID 17776650.
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). "A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s". Physical Review Letters. 91 (21) 211101. arXiv:astro-ph/0310823. Bibcode:2003PhRvL..91u1101U. doi:10.1103/PhysRevLett.91.211101. PMID 14683287. S2CID 20754479.

noaa.gov (Global: 212^th place; English: 172^nd place)

oar.noaa.gov

Rodney Viereck, NOAA Space Environment Center. The Sun-Climate Connection

esrl.noaa.gov

"Sunspots". NOAA. Retrieved 22 February 2013.

swpc.noaa.gov

"NOAA Space Weather Scales". NOAA Space Weather Prediction Center. 1 Mar 2005. Archived from the original on May 7, 2014. Retrieved 2014-05-07.

ornl.gov (Global: 5,534^th place; English: 4,538^th place)

Kappenman, John (2010). Geomagnetic Storms and Their Impacts on the U.S. Power Grid (PDF). META-R. Vol. 319. Goleta, CA: Metatech Corporation for Oak Ridge National Laboratory. OCLC 811858155. Archived from the original (PDF) on 2013-03-10.

osa-opn.org (Global: low place; English: low place)

Wilk, S. R. (2009). "The Yellow Sun Paradox". Optics & Photonics News: 12–13. Archived from the original on 2012-06-18.

psu.edu (Global: 207^th place; English: 136^th place)

citeseerx.ist.psu.edu

Woolfson, M. (2000). "The origin and evolution of the solar system". Astronomy & Geophysics. 41 (1): 1.12 – 1.19. Bibcode:2000A&G....41a..12W. CiteSeerX 10.1.1.475.5365. doi:10.1046/j.1468-4004.2000.00012.x.

sciencedaily.com (Global: 993^rd place; English: 920^th place)

"Coronal Mass Ejections: Scientists Unlock the Secrets of Exploding Plasma Clouds On the Sun". Science Daily.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Emilio, M.; Kuhn, J. R.; Bush, R. I.; Scholl, I. F. (2012). "Measuring the Solar Radius from Space during the 2003 and 2006 Mercury Transits". The Astrophysical Journal. 750 (2): 135. arXiv:1203.4898. Bibcode:2012ApJ...750..135E. doi:10.1088/0004-637X/750/2/135. S2CID 119255559.
Basu, S.; Antia, H. M. (2008). "Helioseismology and Solar Abundances". Physics Reports. 457 (5–6): 217–283. arXiv:0711.4590. Bibcode:2008PhR...457..217B. doi:10.1016/j.physrep.2007.12.002. S2CID 119302796.
Connelly, James N.; Bizzarro, Martin; Krot, Alexander N.; Nordlund, Åke; Wielandt, Daniel; Ivanova, Marina A. (2 November 2012). "The Absolute Chronology and Thermal Processing of Solids in the Solar Protoplanetary Disk". Science. 338 (6107): 651–655. Bibcode:2012Sci...338..651C. doi:10.1126/science.1226919. PMID 23118187. S2CID 21965292.
Kopp, G.; Lawrence, G; Rottman, G. (2005). "The Total Irradiance Monitor (TIM): Science Results". Solar Physics. 20 (1–2): 129–139. Bibcode:2005SoPh..230..129K. doi:10.1007/s11207-005-7433-9. S2CID 44013218.
Eddy, J.A. (1990). "Samuel P. Langley (1834–1906)". Journal for the History of Astronomy. 21: 111–20. Bibcode:1990JHA....21..111E. doi:10.1177/002182869002100113. S2CID 118962423. Archived from the original on May 10, 2009.
Usoskin, Ilya G.; Solanki, Sami K.; Schüssler, Manfred; Mursula, Kalevi; Alanko, Katja (2003). "A Millennium Scale Sunspot Number Reconstruction: Evidence For an Unusually Active Sun Since the 1940s". Physical Review Letters. 91 (21) 211101. arXiv:astro-ph/0310823. Bibcode:2003PhRvL..91u1101U. doi:10.1103/PhysRevLett.91.211101. PMID 14683287. S2CID 20754479.

springer.com (Global: 274^th place; English: 309^th place)

link.springer.com

Hoyt, Douglas V.; Schatten, Kenneth H. (1995-09-01). "Overlooked sunspot observations by Hevelius in the early Maunder Minimum, 1653–1684". Solar Physics. 160 (2): 371–378. Bibcode:1995SoPh..160..371H. doi:10.1007/BF00732815. ISSN 1573-093X.

ucar.edu (Global: 7,843^rd place; English: 5,892^nd place)

hao.ucar.edu

Eddy, J.A. (1990). "Samuel P. Langley (1834–1906)". Journal for the History of Astronomy. 21: 111–20. Bibcode:1990JHA....21..111E. doi:10.1177/002182869002100113. S2CID 118962423. Archived from the original on May 10, 2009.
"History of Solar Physics: A Time Line of Great Moments: 0–1599". High Altitude Observatory. University Corporation for Atmospheric Research. Archived from the original on 18 August 2014. Retrieved 15 August 2014.
"History of Solar Physics: A Time Line of Great Moments: 1800–1999". High Altitude Observatory. University Corporation for Atmospheric Research. Archived from the original on 18 August 2014. Retrieved 15 August 2014.

universetoday.com (Global: 3,691^st place; English: 3,233^rd place)

Atkinson, Nancy (August 6, 2012). "Huge Solar Filament Stretches Across the Sun". Universe Today. Retrieved August 11, 2012.

web.archive.org (Global: 1^st place; English: 1^st place)

"How Round is the Sun?". NASA. 2 October 2008. Archived from the original on 17 September 2018. Retrieved 7 March 2011.
"First Ever STEREO Images of the Entire Sun". NASA. 6 February 2011. Archived from the original on 8 March 2011. Retrieved 7 March 2011.
Wilk, S. R. (2009). "The Yellow Sun Paradox". Optics & Photonics News: 12–13. Archived from the original on 2012-06-18.
"Equinoxes, Solstices, Perihelion, and Aphelion, 2000–2020". US Naval Observatory. 31 January 2008. Archived from the original on 13 October 2007. Retrieved 17 July 2009.
Christian, Eric R. (5 March 2012). "Coronal Mass Ejections". NASA.gov. Archived from the original on 10 April 2000. Retrieved 9 July 2013.
[1] Archived 2021-02-24 at the Wayback Machine NASA Science
Eddy, J.A. (1990). "Samuel P. Langley (1834–1906)". Journal for the History of Astronomy. 21: 111–20. Bibcode:1990JHA....21..111E. doi:10.1177/002182869002100113. S2CID 118962423. Archived from the original on May 10, 2009.
Kennwell, John (2014). "Naked Eye Sunspots". Bureau of Meteorology. Commonwealth of Australia. Archived from the original on 3 September 2014. Retrieved 29 August 2014.
Suess, Steve (June 3, 1999). "Overview and Current Knowledge of the Solar Wind and the Corona". The Solar Probe. NASA/Marshall Space Flight Center. Archived from the original on June 10, 2008. Retrieved 2008-05-07.
Phillips, Tony (21 Jan 2009). "Severe Space Weather—Social and Economic Impacts". NASA Science News. National Aeronautics and Space Administration. Archived from the original on 2021-06-02. Retrieved 2014-05-07.
"NOAA Space Weather Scales". NOAA Space Weather Prediction Center. 1 Mar 2005. Archived from the original on May 7, 2014. Retrieved 2014-05-07.
Kappenman, John (2010). Geomagnetic Storms and Their Impacts on the U.S. Power Grid (PDF). META-R. Vol. 319. Goleta, CA: Metatech Corporation for Oak Ridge National Laboratory. OCLC 811858155. Archived from the original (PDF) on 2013-03-10.
National Aeronautics and Space Administration, Science Mission Directorate (2009). "Space Weather 101". Mission:Science. Archived from the original on 2010-02-07. Retrieved 2014-08-30.
"Astronomy: On the Sunspot Cycle". Archived from the original on February 13, 2008. Retrieved 2008-02-27.
"History of Solar Physics: A Time Line of Great Moments: 0–1599". High Altitude Observatory. University Corporation for Atmospheric Research. Archived from the original on 18 August 2014. Retrieved 15 August 2014.
"History of Solar Physics: A Time Line of Great Moments: 1800–1999". High Altitude Observatory. University Corporation for Atmospheric Research. Archived from the original on 18 August 2014. Retrieved 15 August 2014.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Kappenman, John (2010). Geomagnetic Storms and Their Impacts on the U.S. Power Grid (PDF). META-R. Vol. 319. Goleta, CA: Metatech Corporation for Oak Ridge National Laboratory. OCLC 811858155. Archived from the original (PDF) on 2013-03-10.
Hoyt, Douglas V.; Schatten, Kenneth H. (1995-09-01). "Overlooked sunspot observations by Hevelius in the early Maunder Minimum, 1653–1684". Solar Physics. 160 (2): 371–378. Bibcode:1995SoPh..160..371H. doi:10.1007/BF00732815. ISSN 1573-093X.

zoominternet.net (Global: low place; English: low place)

users.zoominternet.net

"Astronomy: On the Sunspot Cycle". Archived from the original on February 13, 2008. Retrieved 2008-02-27.

Solar phenomena (English Wikipedia)

abc.net.au (Global: 139th place; English: 108th place)

archive.org (Global: 6th place; English: 6th place)

arxiv.org (Global: 69th place; English: 59th place)

bldrdoc.gov (Global: low place; English: 7,132nd place)

its.bldrdoc.gov

books.google.com (Global: 3rd place; English: 3rd place)

cbc.ca (Global: 115th place; English: 82nd place)

cern.ch (Global: 1,959th place; English: 1,611th place)

cds.cern.ch

doi.org (Global: 2nd place; English: 2nd place)

handle.net (Global: 102nd place; English: 76th place)

hdl.handle.net

harvard.edu (Global: 18th place; English: 17th place)

ui.adsabs.harvard.edu

ips.gov.au (Global: low place; English: low place)

jstor.org (Global: 26th place; English: 20th place)

montana.edu (Global: 7,206th place; English: 4,616th place)

solar.physics.montana.edu

nap.edu (Global: 2,128th place; English: 1,553rd place)

books.nap.edu

nasa.gov (Global: 75th place; English: 83rd place)

science.nasa.gov

helios.gsfc.nasa.gov

www-istp.gsfc.nasa.gov

solarscience.msfc.nasa.gov

missionscience.nasa.gov

nationalacademies.org (Global: 7,189th place; English: 6,078th place)

www8.nationalacademies.org

navy.mil (Global: 237th place; English: 170th place)

aa.usno.navy.mil

newscientist.com (Global: 774th place; English: 716th place)

nih.gov (Global: 4th place; English: 4th place)

pubmed.ncbi.nlm.nih.gov

noaa.gov (Global: 212th place; English: 172nd place)

oar.noaa.gov

esrl.noaa.gov

swpc.noaa.gov

ornl.gov (Global: 5,534th place; English: 4,538th place)

osa-opn.org (Global: low place; English: low place)

psu.edu (Global: 207th place; English: 136th place)

citeseerx.ist.psu.edu

sciencedaily.com (Global: 993rd place; English: 920th place)

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

springer.com (Global: 274th place; English: 309th place)

link.springer.com

ucar.edu (Global: 7,843rd place; English: 5,892nd place)

hao.ucar.edu

universetoday.com (Global: 3,691st place; English: 3,233rd place)

web.archive.org (Global: 1st place; English: 1st place)

worldcat.org (Global: 5th place; English: 5th place)

search.worldcat.org

zoominternet.net (Global: low place; English: low place)

users.zoominternet.net

abc.net.au (Global: 139^th place; English: 108^th place)

archive.org (Global: 6^th place; English: 6^th place)

arxiv.org (Global: 69^th place; English: 59^th place)

bldrdoc.gov (Global: low place; English: 7,132^nd place)

books.google.com (Global: 3^rd place; English: 3^rd place)

cbc.ca (Global: 115^th place; English: 82^nd place)

cern.ch (Global: 1,959^th place; English: 1,611^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

handle.net (Global: 102^nd place; English: 76^th place)

harvard.edu (Global: 18^th place; English: 17^th place)

jstor.org (Global: 26^th place; English: 20^th place)

montana.edu (Global: 7,206^th place; English: 4,616^th place)

nap.edu (Global: 2,128^th place; English: 1,553^rd place)

nasa.gov (Global: 75^th place; English: 83^rd place)

nationalacademies.org (Global: 7,189^th place; English: 6,078^th place)

navy.mil (Global: 237^th place; English: 170^th place)

newscientist.com (Global: 774^th place; English: 716^th place)

nih.gov (Global: 4^th place; English: 4^th place)

noaa.gov (Global: 212^th place; English: 172^nd place)

ornl.gov (Global: 5,534^th place; English: 4,538^th place)

psu.edu (Global: 207^th place; English: 136^th place)

sciencedaily.com (Global: 993^rd place; English: 920^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

springer.com (Global: 274^th place; English: 309^th place)

ucar.edu (Global: 7,843^rd place; English: 5,892^nd place)

universetoday.com (Global: 3,691^st place; English: 3,233^rd place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 5^th place; English: 5^th place)