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Author: Arnab Rai Choudhuri Publisher: Oxford University Press, USA ISBN: 0199674752 Category : Nature Languages : en Pages : 295
Book Description
The 11-year cycle of sunspots is one of the most intriguing natural cycles known to mankind. This book explores the fascinating science behind these phenomena and gives an insider's view of the history of the field.
Author: Arnab Rai Choudhuri Publisher: Oxford University Press, USA ISBN: 0199674752 Category : Nature Languages : en Pages : 295
Book Description
The 11-year cycle of sunspots is one of the most intriguing natural cycles known to mankind. This book explores the fascinating science behind these phenomena and gives an insider's view of the history of the field.
Author: Arnab Rai Choudhuri Publisher: OUP Oxford ISBN: 0191662372 Category : Science Languages : en Pages : 295
Book Description
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: Catherine Ipcizade Publisher: Capstone ISBN: 1977100430 Category : Juvenile Nonfiction Languages : en Pages : 1
Book Description
"Lakes evaporate. Clouds form from condensation. Rain falls and fills rivers and lakes. Soak up facts about the water cycle and why we need to keep water clean. Download the Capstone 4D app to access a variety of bonus content"--
Author: Bill McKibben Publisher: Random House ISBN: 0804153442 Category : Nature Languages : en Pages : 254
Book Description
Reissued on the tenth anniversary of its publication, this classic work on our environmental crisis features a new introduction by the author, reviewing both the progress and ground lost in the fight to save the earth. This impassioned plea for radical and life-renewing change is today still considered a groundbreaking work in environmental studies. McKibben's argument that the survival of the globe is dependent on a fundamental, philosophical shift in the way we relate to nature is more relevant than ever. McKibben writes of our earth's environmental cataclysm, addressing such core issues as the greenhouse effect, acid rain, and the depletion of the ozone layer. His new introduction addresses some of the latest environmental issues that have risen during the 1990s. The book also includes an invaluable new appendix of facts and figures that surveys the progress of the environmental movement. More than simply a handbook for survival or a doomsday catalog of scientific prediction, this classic, soulful lament on Nature is required reading for nature enthusiasts, activists, and concerned citizens alike.
Author: Arnab Rai Choudhuri
Author: Arnab Rai Choudhuri
Author: Arnab Rai Choudhuri
Author: Catherine Ipcizade
Author: Robin Nelson
Author: Helen Frost
Author: Max Waldmeier
Author: Joseph Anthony
Author: Bill McKibben
Author: N. O. Weiss
Author: Maria M. King