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Ground Based Astronomy
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Author :National Academy of Sciences (U.S.). Panel on Astronomical Facilities Publisher :National Academies ISBN 13 : Total Pages :134 pages Book Rating :4.1/5 (243 download)
Book Synopsis Ground-based Astronomy by : National Academy of Sciences (U.S.). Panel on Astronomical Facilities
Download or read book Ground-based Astronomy written by National Academy of Sciences (U.S.). Panel on Astronomical Facilities and published by National Academies. This book was released on 1964 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Worlds, New Horizons in Astronomy and Astrophysics by : National Research Council
Download or read book New Worlds, New Horizons in Astronomy and Astrophysics written by National Research Council and published by National Academies Press. This book was released on 2011-02-04 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Driven by discoveries, and enabled by leaps in technology and imagination, our understanding of the universe has changed dramatically during the course of the last few decades. The fields of astronomy and astrophysics are making new connections to physics, chemistry, biology, and computer science. Based on a broad and comprehensive survey of scientific opportunities, infrastructure, and organization in a national and international context, New Worlds, New Horizons in Astronomy and Astrophysics outlines a plan for ground- and space- based astronomy and astrophysics for the decade of the 2010's. Realizing these scientific opportunities is contingent upon maintaining and strengthening the foundations of the research enterprise including technological development, theory, computation and data handling, laboratory experiments, and human resources. New Worlds, New Horizons in Astronomy and Astrophysics proposes enhancing innovative but moderate-cost programs in space and on the ground that will enable the community to respond rapidly and flexibly to new scientific discoveries. The book recommends beginning construction on survey telescopes in space and on the ground to investigate the nature of dark energy, as well as the next generation of large ground-based giant optical telescopes and a new class of space-based gravitational observatory to observe the merging of distant black holes and precisely test theories of gravity. New Worlds, New Horizons in Astronomy and Astrophysics recommends a balanced and executable program that will support research surrounding the most profound questions about the cosmos. The discoveries ahead will facilitate the search for habitable planets, shed light on dark energy and dark matter, and aid our understanding of the history of the universe and how the earliest stars and galaxies formed. The book is a useful resource for agencies supporting the field of astronomy and astrophysics, the Congressional committees with jurisdiction over those agencies, the scientific community, and the public.
Book Synopsis Astronomical Optics by : Daniel J. Schroeder
Download or read book Astronomical Optics written by Daniel J. Schroeder and published by Elsevier. This book was released on 2012-12-02 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a recognized expert in the field, this clearly presented, well-illustrated book provides both advanced level students and professionals with an authoritative, thorough presentation of the characteristics, including advantages and limitations, of telescopes and spectrographic instruments used by astronomers of today. Written by a recognized expert in the field Provides both advanced level students and professionals with an authoritative, thorough presentation of the characteristics, including advantages and limitations, of telescopes and spectrographic instruments used by astronomers of today
Author :National Academy of Sciences (U.S.). Panel on Astronomical Facilities Publisher : ISBN 13 : Total Pages :144 pages Book Rating :4.:/5 (42 download)
Book Synopsis Ground-based Astronomy by : National Academy of Sciences (U.S.). Panel on Astronomical Facilities
Download or read book Ground-based Astronomy written by National Academy of Sciences (U.S.). Panel on Astronomical Facilities and published by . This book was released on 1964 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frontiers Of Space And Ground-Based Astronomy by : Willem Wamsteker
Download or read book Frontiers Of Space And Ground-Based Astronomy written by Willem Wamsteker and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 721 pages. Available in PDF, EPUB and Kindle. Book excerpt: ROSAT Observations G. HASINGER Max-Planck-Institut flir extraterrestrische Physik, D-85740 Garching, Germany Abstract. This review describes the most recent advances in the study of the extragalactic soft X-ray background and what we can learn about its constituents. The deepest pointed observations with the ROSAT PSPC are discussed. The logN-logS relation is presented, which reaches to the faintest X-ray fluxes and to the highest AGN surface densities ever achieved. The N(>S) relation shows a 2 density in excess of 400 deg- at the faintest fluxes and a flattening below the Einstein Deep Survey limit. About 60% of the extragalactic background has been resolved in the deepest field. Detailed source spectra and first optical and radio identifications will be discussed. The results are put into perspective of the higher energy X -ray background. Key words: X-rays, background radiations, active galactic nuclei. 1. Introduction The extragalactic X-ray background (XRB), discovered about 30 years ago, has been studied extensively with many X-ray experiments, in particular with the satel lites HEAO I and II (see ego Boldt 1987) and with ROSAT (e. g. Hasinger et aI. , 1993). Figure 1 shows a compilation of some of the most recent spectral measure ments for the X-ray background. Over the energy range from 3 to about 100 keY its spectrum can be well approximated by an optically thin thermal bremsstrahlung model with kT ~ 40 keY, while at lower X-ray energies a steepening into a new component has been observed observed (e. g.
Book Synopsis Assessment of Options for Extending the Life of the Hubble Space Telescope by : National Research Council
Download or read book Assessment of Options for Extending the Life of the Hubble Space Telescope written by National Research Council and published by National Academies Press. This book was released on 2005-03-28 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hubble Space Telescope (HST) has operated continuously since 1990. During that time, four space shuttle-based service missions were launched, three of which added major observational capabilities. A fifth â€" SM-4 â€" was intended to replace key telescope systems and install two new instruments. The loss of the space shuttle Columbia, however, resulted in a decision by NASA not to pursue the SM-4 mission leading to a likely end of Hubble's useful life in 2007-2008. This situation resulted in an unprecedented outcry from scientists and the public. As a result, NASA began to explore and develop a robotic servicing mission; and Congress directed NASA to request a study from the National Research Council (NRC) of the robotic and shuttle servicing options for extending the life of Hubble. This report presents an assessment of those two options. It provides an examination of the contributions made by Hubble and those likely as the result of a servicing mission, and a comparative analysis of the potential risk of the two options for servicing Hubble. The study concludes that the Shuttle option would be the most effective one for prolonging Hubble's productive life.
Book Synopsis The Decade of Discovery in Astronomy and Astrophysics by : National Research Council
Download or read book The Decade of Discovery in Astronomy and Astrophysics written by National Research Council and published by National Academies Press. This book was released on 1991-02-01 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: Astronomers and astrophysicists are making revolutionary advances in our understanding of planets, stars, galaxies, and even the structure of the universe itself. The Decade of Discovery presents a survey of this exciting field of science and offers a prioritized agenda for space- and ground-based research into the twenty-first century. The book presents specific recommendations, programs, and expenditure levels to meet the needs of the astronomy and astrophysics communities. Accessible to the interested lay reader, the book explores: The technological investments needed for instruments that will be built in the next century. The importance of the computer revolution to all aspects of astronomical research. The potential usefulness of the moon as an observatory site. Policy issues relevant to the funding of astronomy and the execution of astronomical projects. The Decade of Discovery will prove valuable to science policymakers, research administrators, scientists, and students in the physical sciences, and interested lay readers.
Book Synopsis Optimizing the U.S. Ground-Based Optical and Infrared Astronomy System by : National Research Council
Download or read book Optimizing the U.S. Ground-Based Optical and Infrared Astronomy System written by National Research Council and published by National Academies Press. This book was released on 2015-06-26 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: New astronomical facilities, such as the under-construction Large Synoptic Survey Telescope and planned 30-meter-class telescopes, and new instrumentation on existing optical and infrared (OIR) telescopes, hold the promise of groundbreaking research and discovery. How can we extract the best science from these and other astronomical facilities in an era of potentially flat federal budgets for both the facilities and the research grants? Optimizing the U.S. Ground-Based Optical and Infrared Astronomy System provides guidance for these new programs that align with the scientific priorities and the conclusions and recommendations of two National Research Council (NRC) decadal surveys, New Worlds, New Horizons for Astronomy and Astrophysics and Vision and Voyages for Planetary Sciences in the Decade 2013-2022, as well as other NRC reports. This report describes a vision for a U.S. OIR System that includes a telescope time exchange designed to enhance science return by broadening access to capabilities for a diverse community, an ongoing planning process to identify and construct next generation capabilities to realize decadal science priorities, and near-term critical coordination, planning, and instrumentation needed to usher in the era of LSST and giant telescopes.
Book Synopsis Instrumentation for Ground-Based Optical Astronomy by : Lloyd B. Robinson
Download or read book Instrumentation for Ground-Based Optical Astronomy written by Lloyd B. Robinson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 769 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historically, the discovery of tools, or evidence that tools have been used, has been taken as proof of human activity; certainly the invention and spread of new tools has been a critical marker of human progress and has increased our ability to observe, measure, and understand the physical world. In astronomy the tools are telescopes and the optical and electronic instruments that support them. The use of the telescope by Galileo marked the beginning of a new and productive way to study and understand the universe in which we live. The effects of this new tool on what we can see, and how we see ourselves, are well known. However, after almost four centuries of developing ever more sensitive and subtle instruments as tools for astronomy, it might have been expected that only a few minor improvements would remain to be made, or that possibly the law of diminishing returns would have taken effect. On the contrary, the new instruments and ideas for new instruments described in this book make it clear that the rate of progress has not diminished, and that this subject is still as exciting and productive as ever. Instrumentation for Ground-Based Optical Astronomy was chosen as the theme for the Ninth Santa Cruz Summer Workshop in Astronomy and Astrophysics.
Book Synopsis Adaptive Optics in Astronomy by : François Roddier
Download or read book Adaptive Optics in Astronomy written by François Roddier and published by Cambridge University Press. This book was released on 1999-06-17 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adaptive optics is set to revolutionise the future of astronomy; this is the first book on the subject and is set to become the standard reference.
Book Synopsis Giant Telescopes by : W. Patrick McCray
Download or read book Giant Telescopes written by W. Patrick McCray and published by Harvard University Press. This book was released on 2006-04-30 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Every night, astronomers use a new generation of giant telescopes at observatories around the world to study phenomena at the forefront of science. By focusing on the history of the Gemini ObservatoryÑtwin 8-meter telescopes located on mountain peaks in Hawaii and ChileÑGiant Telescopes tells the story behind the planning and construction of modern scientific tools, offering a detailed view of the technological and political transformation of astronomy in the postwar era. Drawing on interviews with participants and archival documents, W. Patrick McCray describes the ambitions and machinations of prominent astronomers, engineers, funding patrons, and politicians in their effort to construct a modern facility for cutting-edge scienceÑand to establish a model for international cooperation in the coming era of Òmegascience.Ó His account details the technological, institutional, cultural, and financial challenges that scientists faced while planning and building a new generation of giant telescopes. Besides exploring how and why scientists embraced the promise and potential of new technologies, he considers how these new tools affected what it means to be an astronomer. McCrayÕs book should interest anyone who desires a deeper understanding of the science, technology, and politics behind finding our place in the universe.
Book Synopsis Astronomy and Astrophysics in the New Millennium by : National Research Council
Download or read book Astronomy and Astrophysics in the New Millennium written by National Research Council and published by National Academies Press. This book was released on 2002-02-07 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: In preparing the report, Astronomy and Astrophysics in the New Millenium , the AASC made use of a series of panel reports that address various aspects of ground- and space-based astronomy and astrophysics. These reports provide in-depth technical detail. Astronomy and Astrophysics in the New Millenium: An Overview summarizes the science goals and recommended initiatives in a short, richly illustrated, non-technical booklet.
Author :Committee on Astronomy and Panel on Ground-Based Optical and Infrared Astronomy Publisher : ISBN 13 : Total Pages : pages Book Rating :4.:/5 (829 download)
Book Synopsis A Strategy for Ground-based Optical and Infrared Astronomy by : Committee on Astronomy and Panel on Ground-Based Optical and Infrared Astronomy
Download or read book A Strategy for Ground-based Optical and Infrared Astronomy written by Committee on Astronomy and Panel on Ground-Based Optical and Infrared Astronomy and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultraviolet Astronomy and the Quest for the Origin of Life by : Ana I. Gomez de Castro
Download or read book Ultraviolet Astronomy and the Quest for the Origin of Life written by Ana I. Gomez de Castro and published by Elsevier. This book was released on 2021-03-27 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultraviolet Astronomy and the Quest for the Origin of Life addresses the use of astronomical observations in the ultraviolet range to better understand the generation of complex, life-precursor molecules. The origin of RNA is still under debate but seems to be related to the generation of pools of complex organic molecules submitted to heavy cycles of solution in water and drying. This book investigates whether these cycles require a planetary surface or may occur in space by examining both the theoretical and observational aspects of the role of UV radiation in the origin of life. This book offers the latest advances in these studies for astronomers, astrobiologists and planetary scientists. Addresses both the theoretical and observational aspects of the role of Ultraviolet (UV) radiation in the origin of life Builds on the requirements to produce prebiotic molecules in space and the implications for the origin of RNA Investigates the use of ultraviolet observations related to planetary system formation, the evolution of young planetary disks, and the interaction of stars with planetary atmospheres
Book Synopsis New Worlds, New Horizons in Astronomy and Astrophysics by : National Research Council
Download or read book New Worlds, New Horizons in Astronomy and Astrophysics written by National Research Council and published by National Academies Press. This book was released on 2011-01-04 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Driven by discoveries, and enabled by leaps in technology and imagination, our understanding of the universe has changed dramatically during the course of the last few decades. The fields of astronomy and astrophysics are making new connections to physics, chemistry, biology, and computer science. Based on a broad and comprehensive survey of scientific opportunities, infrastructure, and organization in a national and international context, New Worlds, New Horizons in Astronomy and Astrophysics outlines a plan for ground- and space- based astronomy and astrophysics for the decade of the 2010's. Realizing these scientific opportunities is contingent upon maintaining and strengthening the foundations of the research enterprise including technological development, theory, computation and data handling, laboratory experiments, and human resources. New Worlds, New Horizons in Astronomy and Astrophysics proposes enhancing innovative but moderate-cost programs in space and on the ground that will enable the community to respond rapidly and flexibly to new scientific discoveries. The book recommends beginning construction on survey telescopes in space and on the ground to investigate the nature of dark energy, as well as the next generation of large ground-based giant optical telescopes and a new class of space-based gravitational observatory to observe the merging of distant black holes and precisely test theories of gravity. New Worlds, New Horizons in Astronomy and Astrophysics recommends a balanced and executable program that will support research surrounding the most profound questions about the cosmos. The discoveries ahead will facilitate the search for habitable planets, shed light on dark energy and dark matter, and aid our understanding of the history of the universe and how the earliest stars and galaxies formed. The book is a useful resource for agencies supporting the field of astronomy and astrophysics, the Congressional committees with jurisdiction over those agencies, the scientific community, and the public.
Download or read book Space Telescopes written by Steff Jaywan and published by Dedona Publishing. This book was released on with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space telescopes are powerful instruments designed to observe astronomical objects and phenomena from outside the Earth's atmosphere. Unlike ground-based telescopes, which suffer from atmospheric distortion, space telescopes provide a clearer and more detailed view of the universe. They have revolutionized our understanding of the cosmos by capturing images and data across various wavelengths of light, from visible to infrared to ultraviolet and beyond. The primary advantage of space telescopes is their ability to operate above the Earth's atmosphere. The atmosphere absorbs and scatters light, which limits the capabilities of ground-based observations. By placing telescopes in space, astronomers can avoid these issues and achieve several key benefits. Space telescopes have an unobstructed view, not being affected by weather, daylight, or atmospheric turbulence, allowing for continuous and consistent observations. They also have broader wavelength coverage, as Earth's atmosphere blocks many wavelengths of light, such as ultraviolet and X-rays. This enables space telescopes to detect and study these wavelengths, offering a more comprehensive view of the universe. Moreover, without atmospheric distortion, space telescopes can capture sharper and more detailed images.
Book Synopsis Astronomy and Astrophysics in the New Millennium by : National Research Council
Download or read book Astronomy and Astrophysics in the New Millennium written by National Research Council and published by National Academies Press. This book was released on 2002-01-07 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: In preparing the report, Astronomy and Astrophysics in the New Millenium , the AASC made use of a series of panel reports that address various aspects of ground- and space-based astronomy and astrophysics. These reports provide in-depth technical detail. Astronomy and Astrophysics in the New Millenium: An Overview summarizes the science goals and recommended initiatives in a short, richly illustrated, non-technical booklet.
