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Author: Wenceslas S. Jardetzky Publisher: Courier Corporation ISBN: 0486174662 Category : Science Languages : en Pages : 206
Book Description
Suitable for upper-level undergraduates and graduate students, this text explores the most exact methods used in the theory of figures of equilibrium. It also examines problems concerning the figures of celestial bodies, including invariable or varying figures, zonal rotation, systems composed of fluid and rigid parts, and more. 1958 edition.
Author: Wenceslas S. Jardetzky Publisher: Courier Corporation ISBN: 0486174662 Category : Science Languages : en Pages : 206
Book Description
Suitable for upper-level undergraduates and graduate students, this text explores the most exact methods used in the theory of figures of equilibrium. It also examines problems concerning the figures of celestial bodies, including invariable or varying figures, zonal rotation, systems composed of fluid and rigid parts, and more. 1958 edition.
Author: Rodney Collin Publisher: Lulu.com ISBN: 0244450161 Category : Languages : en Pages : 464
Book Description
Before Paulo Coelho and Eckhart Tolle came Rodney Collin. A huge 462 page book full of essential knowledge. How To Become Supernatural Man, The Universe and Cosmic Mystery is an exploration of the universe and man's place in it. Rodney Collin examines 20th-century scientific discoveries and traditional esoteric teachings and concludes that the driving force behind everything is neither procreation nor survival, but expansion of awareness. Collin sets out to reconcile the considerable contradictions of the rational and imaginative minds and of the ways we see the external world versus our inner selves. For readers familiar with Gurdjieff's cosmology will here find further examinations of the systems outlined in by Ouspensky in Search of the Miraculous.
Author: Michael Mark Woolfson Publisher: World Scientific ISBN: 1783265248 Category : Science Languages : en Pages : 441
Book Description
This fully-updated second edition remains the only truly detailed exploration of the origins of our Solar System, written by an authority in the field. Unlike other authors, Michael Woolfson focuses on the formation of the solar system, engaging the reader in an intelligent yet accessible discussion of the development of ideas about how the Solar System formed from ancient times to the present.Within the last five decades new observations and new theoretical advances have transformed the way scientists think about the problem of finding a plausible theory. Spacecraft and landers have explored the planets of the Solar System, observations have been made of Solar-System bodies outside the region of the planets and planets have been detected and observed around many solar-type stars. This new edition brings in the most recent discoveries, including the establishment of dwarf planets and challenges to the ‘standard model’ of planet formation — the Solar Nebula Theory.While presenting the most up-to-date material and the underlying science of the theories described, the book avoids technical jargon and terminology. It thus remains a digestible read for the non-expert interested reader, whilst being detailed and comprehensive enough to be used as an undergraduate physics and astronomy textbook, where the formation of the solar system is a key part of the course.Michael Woolfson is Emeritus Professor of Theoretical Physics at University of York and is an award-winning crystallographer and astronomer.
Author: Teru Miyake Publisher: Stanford University ISBN: Category : Languages : en Pages : 155
Book Description
We have been astonishingly successful in gathering knowledge about certain objects or systems to which we seemingly have extremely limited access. Perhaps the most difficult problem in the investigation of such systems is that they are extremely underdetermined. What are the methods through which these cases of underdetermination are resolved? I argue in chapter 1 that these methods are best understood by thinking of what scientists are doing as gaining access to the previously inaccessible parts of these systems through a series of indirect measurements. I then discuss two central problems with such indirect measurements, theory mediation and the combining of effects, and ways in which these difficulties can be dealt with. In chapter 2, I examine the indirect measurement of planetary distances in the solar system in the sixteenth and seventeenth centuries by Copernicus and Kepler. In this case, there was an underdetermination between three different theories about the motions of the planets, which can be partly resolved by the measurement of distances between the planets. The measurement of these distances was enabled by making certain assumptions about the motions of the planets. I argue that part of the justification for making these assumptions comes from decompositional success in playing off measurements of the earth's orbit and the Mars orbit against each other. In chapter 3, I examine the indirect measurement of mechanical properties such as mass and forces in the solar system by Newton. In this case, there were two underdeterminations, the first an underdetermination between two theories about the true motion of the sun and the earth, and the second an underdetermination between various theories for calculating planetary orbits. Newton resolves these two problems of underdetermination through a research program where the various sources of force are identified and accounted for. This program crucially requires the third law of motion to apply between celestial objects, an issue about which Newton was criticized by his contemporaries. I examine the justification for the application of the third law of motion through its successful use for decomposition of forces in the solar system in a long-term research program. I further discuss comments by Kant on the role of the third law of motion for Newton, in which Kant recognizes its indispensability for a long-term program for determining the center of mass of the solar system and thus defining a reference point relative to which forces can be identified. Chapter 4 covers the indirect measurement of density in the earth's interior using observations of seismic waves. One of the difficult problems in this case is that we can think of the interior density of the earth as a continuous function of radius—in order to determine this radius function, you are in effect making a measurement of an infinite number of points. The natural question to ask here is how much resolution the observations give you. I focus on the work of geophysicists who were concerned with this problem, out of which a standard model for the earth's density was developed.