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Author: Arnab Rai Choudhuri
Publisher: Oxford University Press, USA
ISBN: 0199674752
Category : Nature
Languages : en
Pages : 295
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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: Arnab Rai Choudhuri
Publisher: Oxford University Press, USA
ISBN: 0199674752
Category : Nature
Languages : en
Pages : 295
Get Book
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: Arnab Rai Choudhuri
Publisher: OUP Oxford
ISBN: 0191662372
Category : Science
Languages : en
Pages : 336
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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:
Publisher: Big Earth Publishing
ISBN: 9781565795488
Category : Art
Languages : en
Pages : 120
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Book Description
North Carolina photographer Thomas Wyche documents the dynamics of the natural world's cycles
Author: Catherine Ipcizade
Publisher: Capstone
ISBN: 1977100430
Category : Juvenile Nonfiction
Languages : en
Pages : 1
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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:
Publisher:
ISBN: 9781978536937
Category :
Languages : en
Pages : 0
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Book Description
Author: N. O. Weiss
Publisher: Cambridge University Press
ISBN: 052119055X
Category : Science
Languages : en
Pages : 411
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Book Description
Leading experts present the current state of knowledge of the subject of magnetoconvection from the viewpoint of applied mathematics.
Author:
Publisher:
ISBN: 9781978537200
Category :
Languages : en
Pages : 0
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Book Description
Author: Emily Kate Moon
Publisher: Penguin
ISBN: 0593112784
Category : Juvenile Nonfiction
Languages : en
Pages : 40
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Book Description
A water ride like you've never experienced before, featuring the cutest drop of water in all of precipitation. Meet Drop. She's water! And she's seen a thing or two. Yep, even dinosaurs; she's four and a half billion years old, after all. Everywhere Drop flows--and she flows everywhere--she keeps things moving, making life on earth possible, and having a great time doing it. (Have you ever plummeted from a rain cloud? Or took a thousand-year nap in a glacier? Drop knows how to live right.) With delightful panache and a steady stream of funny one-liners, Drop takes readers on an adventure through the water cycle and beyond. Filled with irresistible artwork, funny asides, and a steady sprinkle of kid-enticing facts, Drop is the story about water you never knew you were thirsting for. "Splashy and original." —Kirkus "A stand out from others of its type." —SLC “An endearing, conversational introduction to the water cycle.” —PW
Author: Bill McKibben
Publisher: Random House
ISBN: 0804153442
Category : Nature
Languages : en
Pages : 254
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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: Max Waldmeier
Publisher:
ISBN:
Category : Sunspots
Languages : en
Pages : 186
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Book Description