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Author : Harlan True Stetson
Publisher : Unknown
Page : 201 pages
File Size : 47,7 Mb
Release : 1937
Category : Sunspots
ISBN : OCLC:2629992
Author : Harlan True Stetson
Publisher : Read Books Ltd
Page : 216 pages
File Size : 47,7 Mb
Release : 2013-04-16
Category : Science
ISBN : 9781473389564
The near approach of another sunspot maximum with accompanying interest shown by the press and the general public gives the occasion for a book on sunspots. Very interesting book on the history and detection of sunspots and their possible effects on humankind. A must for anyone interested in how sunspots will affect the earth and human affairs and those that like to keep themselves informed of trends in science.
Author : Harlan True Stetson
Publisher : Macritchie Press
Page : 220 pages
File Size : 54,8 Mb
Release : 2008-11
Category : Science
ISBN : 9781443731461
AND Their Effects byHARLAN TRUE STETSON Research Associate at the Massachusetts Institute of Technology Author of B STARS AND THE STAJLS Yorfc WHITTLESEY HOUSE London MCGRAW-HILL BOOK COMPANY, INC. of and trireless i t tie cii Sciilt field of solar - t erTes trial FOREWARNING THE near approach of another sunspot maximum with the accompanying interest shown by the press and the general public gives the occasion for a book on sunspot s. So much has been said about the possibilities of sunspots affecting the earth and human affairs that a candid discussion of sunspots and their effects is due the general reader who would keep himself informed of trends in science. Sunspots have been blamed for calamities and misfortunes that run the gamut from Florida hurricanes to financial panics. Is there any basis whatever for such assumptions Since we are all more interested in ourselves than we are in things, the book has been written from the human point of view. While statements have been qualified, various possible hypotheses have been dis cussed which bear upon the question of solar dis turbances and affairs on the earth. Perhaps all too long has the reading public been dependent upon the technical material in textbooks on astronomy for a knowledge of sunspots. Such textbooks which must deal only with well-established facts cannot naturally try to discuss speculative questions. This book therefore departs from the usual type of book on science in that it frankly presents questionable material as well as the results of more completely Forewarning established facts from which the reader may draw his own conclusions with respect to inferences not yet fully established as weU as to those which may beregarded as beyond debate. As the book is intended to be distinctly popular, the more speculative material which intrigues the imagination has been presented in the earlier part, leaving the more well-established effects of sunspots upon the earth to the later chapters. The book undoubtedly raises more questions than it answers, and will, it is hoped, suggest attention to some of the less conventional aspects of the question concerning the influence of the sunspots on world events. So many apparently serious articles have been written concerning sunspots and the business cycle that a chapter is devoted to the more plausible hypoth eses that may be worth investigation If the author appears noncommittal in his interpretation of some of the more startling presentations, it is because a scientist cannot by nature be otherwise. On the other hand, I have refrained from condemning interpretations where evidence is still scanty, for thus to condemn appears to me as unscientific as to make positive statements where complete evidence is wanting. If the book falls into the hands of the overcredulous, perhaps a word of warning is necessary to curb hurried conclusions. One can only hope that none of the more speculative statements will be quoted except with qualifications which go therewith. Forewarning In the closing chapter I have endeavored to differ entiate clearly between the several effects well established and scientifically recognised from those which are more speculative and require much further investi gation before definite conclusions can be drawn. Only by such differentiation can the whole subject be clarified with the door still open for future progress. A scientific reader will misstechnical phraseology and numerous references quoting sources which obvi ously are out of place in so popular a presentation. If the reading of the book stimulates a consciousness of mans cosmic surroundings and opens certain ques tions for serious consideration, the answers to which are yet to come, the purpose of the book will in a meas ure be realized. HARLAN TRUE STETSON. CAMBRIDGE, MASSACHUSETTS, September, 1937...
Author : Frank Glasby
Publisher : iUniverse
Page : 300 pages
File Size : 48,5 Mb
Release : 2002
Category : Science
ISBN : 9780595226412
Planets, Sunspots and Earthquakes presents a working hypothesis of how planets trigger sunspots and earthquakes. Two distinct and separate effects are considered: one is an internal effect whereby the core of the sun and the earth become more active. The other is an external effect whereby the combined effect from external bodies stresses the earth's crust at a point where it enters or leaves the gravitational field of the group of external bodies.The causes of the initial internal processes that are necessary for the final seismic trigger effect to operate are examined and the connection with sunspot cycles is explored. The work is the result of observation and investigation during three eleven-year sunspot cycles, and offers material for further research by specialists and students.
Author : Arnab Rai Choudhuri
Publisher : Oxford University Press, USA
Page : 295 pages
File Size : 55,9 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 : Henry Helm Clayton
Publisher : Unknown
Page : 22 pages
File Size : 41,5 Mb
Release : 2012-06-01
Category : Electronic
ISBN : 1258376482
Author : Stuart Clark
Publisher : Princeton University Press
Page : 224 pages
File Size : 42,9 Mb
Release : 2009-04-12
Category : Science
ISBN : 9780691141268
Recounts the story behind English astronomer Richard Carrington's observations of a mysterious explosion on the surface of the sun and how his understanding that the sun's magnetism directly influences the Earth helped usher in the modern era of astronomy.
Author : Douglas V. Hoyt,Kenneth H. Schatten
Publisher : Oxford University Press on Demand
Page : 288 pages
File Size : 42,9 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 : United States. Office of Experiment Stations
Publisher : Unknown
Page : 2162 pages
File Size : 47,7 Mb
Release : 1939
Category : Agricultural experiment stations
ISBN : UCAL:B3535457
Author : United States. Inter-agency Committee on Water Resources,Water Resources Council (U.S.). Hydrology Committee
Publisher : Unknown
Page : 428 pages
File Size : 42,5 Mb
Release : 1952
Category : Hydrology
ISBN : UIUC:30112007570820
Author : Anonim
Publisher : Unknown
Page : 480 pages
File Size : 49,5 Mb
Release : 1878
Category : Electronic
ISBN : ONB:+Z297196400
Author : Kaplan Test Prep
Publisher : Simon and Schuster
Page : 1876 pages
File Size : 49,9 Mb
Release : 2022-06-07
Category : Study Aids
ISBN : 9781506282206
The SAT is changing. Taking the SAT in the US on October 7, 2023, November 4, 2023, or December 2, 2023? This is the prep for you. Preparing for the digital SAT in Spring 2024? Check out Digital SAT Total Prep 2024 available on December 5, 2023. Rated "Best of the Best" in SAT Prep Books by BestReviews SAT Total Prep 2023, Kaplan’s biggest SAT prep book, has more than 1,000 pages of content review, efficient strategies, and realistic practice to help you score higher on the paper/pencil SAT. We have everything you need in one big book, plus a full year of access to online resources—including more practice tests, a bigger Qbank than ever, and video lessons—to help you master each section of the SAT. We're so certain that SAT Total Prep offers all the guidance you need to excel on the SAT that we guarantee it: After studying with our online resources and book, you'll score higher on the SAT—or you'll get your money back. The Most Practice Five full-length Kaplan practice tests: two in the book and three online. More than 2,000 practice questions with detailed explanations, including a 500-item online Qbank Pre-quizzes to help you figure out what you already know and what you can skip. Mixed practice quizzes after every chapter to assess how much you’ve learned. 4 Test Yourself sections — test-like practice on mixed topics to ensure you learn the material, unit by unit A practice question at the beginning of each lesson to help you quickly identify its focus, and dedicated practice questions after every lesson to test your comprehension. Expert scoring, analysis, and explanations online for two official College Board SAT Practice Tests. Efficient Strategy “On Test Day” strategy notes in every math chapter to help you remember that the SAT math test is primarily a strategy test. “Reflect” pages that help you evaluate your comfort level with the topics after completing each chapter and make a plan for improving before the test. Kaplan’s expert strategies for each test section, including special techniques for the optional essay. Online study-planning tool helps you target your prep no matter how much time you have before the test. Expert Guidance We know the test: Our learning engineers have put tens of thousands of hours into studying the SAT, and use real data to design the most effective strategies and study plans. Kaplan's books and practice questions are written by veteran teachers who know students—every explanation is written to help you learn. We invented test prep—Kaplan (kaptest.com) has been helping students for 80 years.
Author : Anonim
Publisher : Unknown
Page : 740 pages
File Size : 40,6 Mb
Release : 1892
Category : Electricity
ISBN : NYPL:33433090837745
Author : Anonim
Publisher : Unknown
Page : 906 pages
File Size : 51,8 Mb
Release : 1892
Category : Electrical engineering
ISBN : STANFORD:36105012502956
Author : John T. Burns
Publisher : Scarecrow Press
Page : 306 pages
File Size : 52,8 Mb
Release : 1994
Category : Nature
ISBN : 0810828316
This volume is the first bibliography to be published on the broad subject of cycles in humans and nature. The importance of cycles as a model for understanding the world is as old as the Bible and other ancient records of past civilizations. The modern investigation of diverse fields of study has resulted in the concept of cycles once again gaining center stage as an interdisciplinary model for reaching a better understanding of the nature of our universe. Major categories of cycles covered in this bibliography are: Astrophysics, Atmospheric Science, Biology, Botany, Geoscience, Medicine, Social Science, Zoology, and Interdisciplinary. Over 600 sources of information on thousands of cycles are carefully reviewed to enable the reader maximum access to the most substansive evidence for cycles in each field. A balance of general readings as well as more technical articles is maintained throughout the bibliography. An introduction provides an overview of the broad spectrum of information on cycles, indicating those areas of controversy as well as of agreement. The claims of cycles in social unrest, economics, and climatology are noted, as well as the more well-known cycles in biology, physiology, and medicine. The volume has an extensive table of contents to facilitate the location of many subcategories of cycles. An extensive index also enables the location of citations for specific researchers and for numerous subjects.