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Author : Derek Justin Schove
Publisher : Unknown
Page : 424 pages
File Size : 49,9 Mb
Release : 1983
Category : Science
ISBN : UOM:39015006924438
Author : Virden L. Harrison
Publisher : Unknown
Page : 36 pages
File Size : 52,6 Mb
Release : 1976
Category : Crop yields
ISBN : UIUC:30112018967015
Author : Arnab Rai Choudhuri
Publisher : Oxford University Press, USA
Page : 295 pages
File Size : 43,7 Mb
Release : 2015
Category : Nature
ISBN : 9780199674756
The cycle of day and night and the cycle of seasons are two familiar natural cycles around which many human activities are organized. But is there a third natural cycle of importance for us humans? On 13 March 1989, six million people in Canada went without electricity for many hours: a large explosion on the sun was discovered as the cause of this blackout. Such explosions occur above sunspots, dark features on the surface of the Sun that have been observed through telescopes since the time of Galileo. The number of sunspots has been found to wax and wane over a period of 11 years. Although this cycle was discovered less than two centuries ago, it is becoming increasingly important for us as human society becomes more dependent on technology. For nearly a century after its discovery, the cause of the sunspot cycle remained completely shrouded in mystery. The 1908 discovery of strong magnetic fields in sunspots made it clear that the 11-year cycle is the magnetic cycle of the sun. It is only during the last few decades that major developments in plasma physics have at last given us the clue to the origins of the cycle and how the large explosions affecting the earth arise. Nature's Third Cycle discusses the fascinating science behind the sunspot cycle, and gives an insider's perspective of this cutting-edge scientific research from one of the leaders of the field.
Author : André Balogh,Hugh Hudson,Kristóf Petrovay,Rudolf Steiger
Publisher : Springer
Page : 602 pages
File Size : 49,8 Mb
Release : 2015-04-16
Category : Science
ISBN : 9781493925841
A collection of papers edited by four experts in the field, this book sets out to describe the way solar activity is manifested in observations of the solar interior, the photosphere, the chromosphere, the corona and the heliosphere. The 11-year solar activity cycle, more generally known as the sunspot cycle, is a fundamental property of the Sun. This phenomenon is the generation and evolution of magnetic fields in the Sun’s convection zone, the photosphere. It is only by the careful enumeration and description of the phenomena and their variations that one can clarify their interdependences. The sunspot cycle has been tracked back about four centuries, and it has been recognized that to make this data set a really useful tool in understanding how the activity cycle works and how it can be predicted, a very careful and detailed effort is needed to generate sunspot numbers. This book deals with this topic, together with several others that present related phenomena that all indicate the physical processes that take place in the Sun and its exterior environment. The reviews in the book also present the latest theoretical and modelling studies that attempt to explain the activity cycle. It remains true, as has been shown in the unexpected characteristics of the first two solar cycles in the 21st century, that predictability remains a serious challenge. Nevertheless, the highly expert and detailed reviews in this book, using the very best solar observations from both ground- and space based telescopes, provide the best possible report on what is known and what is yet to be discovered. Originally published in Space Science Reviews, Vol 186, Issues 1-4, 2014.
Author : Robert M. Wilson
Publisher : Unknown
Page : 20 pages
File Size : 41,9 Mb
Release : 1996
Category : Solar cycle
ISBN : NASA:31769000449341
Author : Robert M. Wilson
Publisher : Unknown
Page : 24 pages
File Size : 47,9 Mb
Release : 1998
Category : Solar cycle
ISBN : NASA:31769000450364
Author : James Allen Barnes,H. H. Sargent,P. V. Tryon
Publisher : Unknown
Page : 28 pages
File Size : 53,8 Mb
Release : 1980
Category : Gaussian processes
ISBN : UIUC:30112106753491
Author : Virden L. Harrison
Publisher : Unknown
Page : 28 pages
File Size : 52,8 Mb
Release : 1976
Category : Electronic
ISBN : IND:30000088338656
Author : James Allen Barnes,H. H. Sargent,P. V. Tryon
Publisher : Unknown
Page : 28 pages
File Size : 47,8 Mb
Release : 1980
Category : Gaussian processes
ISBN : UOM:39015086569582
Author : Robert M. Wilson,David H. Hathaway,Edwin J. Reichmann
Publisher : Unknown
Page : 24 pages
File Size : 52,9 Mb
Release : 1997
Category : Solar cycle
ISBN : NASA:31769000449564
Author : Neil D Paris
Publisher : The Wessex Astrologer
Page : 340 pages
File Size : 49,6 Mb
Release : 2012-10-01
Category : Body, Mind & Spirit
ISBN : 9781902405889
Use the magic of astrology's Solar Cycles to design and manifest your dreams * Uncover the astrology Cycles unique to you, and how to use them to shift your reality - each and every month of your life * Find the perfect times to launch or wait, build or tear down, go solo or team up * Figure out your current possibilities and potential pitfalls * Your Lifetime Guide to your Annual Life Cycles.
Author : Henry Helm Clayton
Publisher : Unknown
Page : 22 pages
File Size : 40,6 Mb
Release : 1947
Category : Science
ISBN : UIUC:30112106573063
Author : Douglas V. Hoyt,Kenneth H. Schatten
Publisher : Oxford University Press on Demand
Page : 288 pages
File Size : 50,7 Mb
Release : 1997
Category : Science
ISBN : 9780195094138
"A successful blend of astronomical and climate studies with modern scientific and statistical analysis, this history of solar observations is followed by a review of how variations in solar brightness have been measured, both from the ground and space." --New Scientist
Author : Kurt Toman
Publisher : Unknown
Page : 8 pages
File Size : 41,9 Mb
Release : 1966
Category : Fourier transformations
ISBN : UOM:39015095129667
The spectral distribution of sinusoidal wavelets is solved analytically. The position of the dominant peak, and its power is determined as a function of truncation length. The influence of phase is illustrated. For short truncation intervals large 'red' and 'blue-shifts' can occur. The results are applied to final Z©·urich sunspot numbers. Sunspot cycle-duration and Fourier transform of waves.--Abstract/Keywords.
Author : Arnab Rai Choudhuri
Publisher : OUP Oxford
Page : 336 pages
File Size : 41,7 Mb
Release : 2015-01-29
Category : Science
ISBN : 9780191662386
The cycle of day and night and the cycle of seasons are two familiar natural cycles around which many human activities are organized. But is there a third natural cycle of importance for us humans? On 13 March 1989, six million people in Canada went without electricity for many hours: a large explosion on the sun was discovered as the cause of this blackout. Such explosions occur above sunspots, dark features on the surface of the Sun that have been observed through telescopes since the time of Galileo. The number of sunspots has been found to wax and wane over a period of 11 years. Although this cycle was discovered less than two centuries ago, it is becoming increasingly important for us as human society becomes more dependent on technology. For nearly a century after its discovery, the cause of the sunspot cycle remained completely shrouded in mystery. The 1908 discovery of strong magnetic fields in sunspots made it clear that the 11-year cycle is the magnetic cycle of the sun. It is only during the last few decades that major developments in plasma physics have at last given us the clue to the origins of the cycle and how the large explosions affecting the earth arise. Nature's Third Cycle discusses the fascinating science behind the sunspot cycle, and gives an insider's perspective of this cutting-edge scientific research from one of the leaders of the field.
