Download or read book Popular Astronomy written by and published by . This book was released on 1907 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Popular Astronomy written by and published by . This book was released on 1903 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Popular Astronomy Vol 8 written by William Wallace Payne and published by Forgotten Books. This book was released on 2018-02-06 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Popular Astronomy, Vol. 8: A Review of Astronomy and Allied Sciences Of equal importance is the fact that Engel's book gives to the world at last a complete, available text-book of non-euclidean geometry. There is no other to compare with it. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book Popular Astronomy written by and published by . This book was released on 1931 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Popular Astronomy written by Carleton College. Observatory and published by Rarebooksclub.com. This book was released on 2013-09 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1900 edition. Excerpt: ... 8 36 and 46). Thouejh the Bolyai and the Riemann geometries are founded on the straight, yet to say in them of two straights that they have the same direction has no ordinary meaning, since in Riemann every two straights cross and inclose a space, while in Bolyai every two parallels continually approach each other. So as to direction, Wentworth has reformed, after 20 years in the land of nod. But he still says, 1899, 49, "A straight line is the shortest line that can be drawn from one point to another." Now a relation of equality or inequality between two magnitudes must have some foundation, and be capable of some intelligible test. In the traditional geometry the foundation of all proof by Euclid's method consists in establishing the congruence of magnitudes. To make the congruence evident, the geometrical figures "are supposed to be applied to one another, of course without changing their form and dimensions. But since no part of a curve can be congruent to any piece of a straight, so, for example, no part of a circle can be equivalent to any sect from the definition of equivalent magnitudes as those which can be cut into pieces congruent in pairs. In any comparison of size by congruence, we must be able to place one of the magnitudes or portions of it in complete or partial coincidence with the other. No such direct comparison can be instituted between a straight and a line no piece of which is straight. Thus the whole of Euclid, s Elements fails utterly to institute or prove any relation as regards size between a sect and an arc joining the same two points. The operation of measurement we cannot effect, rigorously speaking, either for curves or for curved surfaces, since the unit for length is a sect, and...
Download or read book Popular Astronomy Volume 8 written by Carleton College Goodsell Observatory and published by Arkose Press. This book was released on 2015-10-25 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Download or read book Popular Astronomy written by William Wallace Payne and published by . This book was released on 1915 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Memoirs of the National Academy of Sciences written by and published by . This book was released on 1926 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Each volume comprises one or more monographs, many of which are issued also as separates.
Download or read book Bibliography of North American Geology 1929 1939 written by Emma Mertins Thom and published by . This book was released on 1944 with total page 1626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Current Aspects of Exobiology written by G. Mamikunian and published by Elsevier. This book was released on 2013-10-02 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current Aspects of Exobiology covers the philosophical aspects, scientific approach, and related research problems in exobiology. Most of the chapters are presented at the Current Research in Exobiology Symposium, held at the Jet Propulsion Laboratory on February 26-28, 1963. This book is composed of 10 chapters and begins with an overview of the nature and occurrence of extraterrestrial living matter. The next chapters survey certain line of evidence concerning extraterrestrial life, including investigation of organo-chemical evolution, organic remains in meteorites, microorganisms of Middle Precambrian Age, and the survival capabilities and the performance of earth organisms in simulated extraterrestrial environments. These topics are followed by discussions on the interesting issues on the possibility of a primordial lunar life and the possibilities of life on mars. A chapter considers the various scientific efforts to detect life outside earth, including experiments on small, unmanned biological laboratories to the surfaces of the planets. Another chapter looks into the possibility of the accidental introduction of terrestrial microorganisms to other planets during the course of space exploration by unmanned spacecraft. The concluding chapters explore the potential of radio search for other intelligent species in space. Exobiologists and researchers in the related fields of exobiology who are interested in extraterrestrial life will find this book invaluable.
Download or read book Biographical Memoirs written by National Academy of Sciences (U.S.) and published by National Academies. This book was released on 1926 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: List of papers contained in v. 1-9 is given in National Academy of Sciences. Proceedings ... Index ... 1915-24, 1926.
Download or read book Catalogue of the Public Library of Concord N H written by and published by . This book was released on 1885 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Charles Olivier and the Rise of Meteor Science written by Richard Taibi and published by Springer. This book was released on 2016-11-25 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fascinating portrait of an amateur astronomy movement tells the story of how Charles Olivier recruited a hard-working cadre of citizen scientists to rehabilitate the study of meteors. By 1936, Olivier and members of his American Meteor Society had succeeded in disproving an erroneous idea about meteor showers. Using careful observations, they restored the public’s trust in predictions about periodic showers and renewed respect for meteor astronomy among professional astronomers in the United States. Charles Olivier and his society of observers who were passionate about watching for meteors in the night sky left a major impact on the field. In addition to describing Olivier’s career and describing his struggles with competitive colleagues in a hostile scientific climate, the author provides biographies of some of the scores of women and men of all ages who aided Olivier in making shower observations, from the Leonids and Perseids and others. Half of these amateur volunteers were from 13 to 25 years of age. Their work allowed Olivier and the AMS to contradict the fallacious belief in stationary and long-enduring meteor showers, bringing the theory of their origin into alignment with celestial mechanics. Thanks to Olivier and his collaborators, the study of meteors took a great leap forward in the twentieth century to earn a place as a worthy topic of study among professional astronomers.
Download or read book Publication of the Astronomical Society of Pomona College written by Pomona College (Claremont, Calif.). Astronomical Society and published by . This book was released on 1912 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Enchantment Of Urania The 25 Centuries Of Exploration Of The Sky written by Massimo Capaccioli and published by World Scientific. This book was released on 2024-03-19 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today we know much about the sky: how stars are born, how they live and die, and how the universe as a whole evolves. We have learned of the existence of another type of matter, indifferent to light and yet decisive for the formation of galaxies, and we have a hint of a dark energy that since the last 4.5 billion years has taken over the control of the cosmos. We postulated and then discovered and even photographed black holes and listened to the faint rustle of the space-time ripple produced when these monsters devour each other. We reached these astonishing results (recognized by a bunch of Nobel Prizes and filling every day the media with wonders for the eyes and the mind) by the marriage of physics and astronomy that unified the Earth with the sky and then by the leap forward of science and technology in the Twentieth Century. This rich heritage has ancient roots. It was built by accumulating discoveries with errors, observations with fantasies, myths, and superstitions with flashes of genius, over a span of millennia, since Homo sapiens, turning his eyes to the immutable and perfect sky, began to ask questions.The book is a narration of the answers to these questions that had evolved over time: a progressive path, inserted in the general history, with some second thoughts and many obstacles. This is a saga of men and machines where greatness sometimes mixes with misery and passion often borders on sacrifice and even martyrdom. Why should we know it? Because our current knowledge is the result of these efforts and of the preconceptions that accompanied them.The challenge has been to present this complex and intricate subject without resorting to any formulas, so that it can be accessible to a wide audience of curious people, including high school and university students and in general all those who normally keep themselves informed of scientific things. A rich bibliography has also been added in the appendix for those wishing to learn more on one or more topics.
Download or read book Publication of the Astronomical Society of Pomona College written by and published by . This book was released on 1914 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
