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Author : United States. X-ray Astronomy Program Working Group
Publisher : Unknown
Page : 98 pages
File Size : 43,7 Mb
Release : 1994
Category : X-ray astronomy
ISBN : UVA:X004536343
Author : Anonim
Publisher : Unknown
Page : 86 pages
File Size : 47,6 Mb
Release : 1997
Category : Astronomy
ISBN : IND:30000050389521
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 54,5 Mb
Release : 1995
Category : Government publications
ISBN : WISC:89117117911
Author : Anonim
Publisher : Unknown
Page : 570 pages
File Size : 41,7 Mb
Release : 1999
Category : Gamma ray detectors
ISBN : UOM:39015043103574
Author : Anonim
Publisher : Unknown
Page : 674 pages
File Size : 40,8 Mb
Release : 1998
Category : Gamma ray astronomy
ISBN : UOM:39015047342566
Author : Anonim
Publisher : Unknown
Page : 692 pages
File Size : 42,9 Mb
Release : 1994
Category : Astronomical instruments
ISBN : UOM:39015053993419
Author : Joachim E. Trümper,Günther Hasinger
Publisher : Springer Science & Business Media
Page : 496 pages
File Size : 54,8 Mb
Release : 2008-02-05
Category : Science
ISBN : 9783540344124
With contributions from leading scientists in the field, and edited by two of the most prominent astronomers of our time, this is a totally authoritative volume on X-ray astronomy that will be essential reading for everyone interested – from students to astrophysicists and physicists. All the aspects of this exciting area of study are covered, from astronomical instrumentation to extragalactic X-ray astronomy.
Author : National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Assessment of Impediments to Interagency Cooperation on Space and Earth Science Missions
Publisher : National Academies Press
Page : 80 pages
File Size : 53,9 Mb
Release : 2011-05-31
Category : Science
ISBN : 9780309216258
Through an examination of case studies, agency briefings, and existing reports, and drawing on personal knowledge and direct experience, the Committee on Assessment of Impediments to Interagency Cooperation on Space and Earth Science Missions found that candidate projects for multiagency collaboration in the development and implementation of Earth-observing or space science missions are often intrinsically complex and, therefore costly, and that a multiagency approach to developing these missions typically results in additional complexity and cost. Advocates of collaboration have sometimes underestimated the difficulties and associated costs and risks of dividing responsibility and accountability between two or more partners; they also discount the possibility that collaboration will increase the risk in meeting performance objectives. This committee's principal recommendation is that agencies should conduct Earth and space science projects independently unless: It is judged that cooperation will result in significant added scientific value to the project over what could be achieved by a single agency alone; or Unique capabilities reside within one agency that are necessary for the mission success of a project managed by another agency; or The project is intended to transfer from research to operations necessitating a change in responsibility from one agency to another during the project; or There are other compelling reasons to pursue collaboration, for example, a desire to build capacity at one of the cooperating agencies. Even when the total project cost may increase, parties may still find collaboration attractive if their share of a mission is more affordable than funding it alone. In these cases, alternatives to interdependent reliance on another government agency should be considered. For example, agencies may find that buying services from another agency or pursuing interagency coordination of spaceflight data collection is preferable to fully interdependent cooperation.
Author : Anonim
Publisher : Unknown
Page : 990 pages
File Size : 49,7 Mb
Release : 1978
Category : Aeronautics
ISBN : UVA:X004872605
Author : Nils Andersson
Publisher : Oxford University Press
Page : 672 pages
File Size : 48,8 Mb
Release : 2019-11-28
Category : Science
ISBN : 9780192579157
This book is an introduction to gravitational waves and related astrophysics. It provides a bridge across the range of astronomy, physics and cosmology that comes into play when trying to understand the gravitational-wave sky. Starting with Einstein's theory of gravity, chapters develop the key ideas step by step, leading up to the technology that finally caught these faint whispers from the distant universe. The second part of the book makes a direct connection with current research, introducing the relevant language and making the involved concepts less mysterious. The book is intended to work as a platform, low enough that anyone with an elementary understanding of gravitational waves can scramble onto it, but at the same time high enough to connect readers with active research - and the many exciting discoveries that are happening right now. The first part of the book introduces the key ideas, following a general overview chapter and including a brief reminder of Einstein's theory. This part can be taught as a self-contained one semester course. The second part of the book is written to work as a collection of "set pieces" with core material that can be adapted to specific lectures and additional material that provide context and depth. A range of readers may find this book useful, including graduate students, astronomers looking for basic understanding of the gravitational-wave window to the universe, researchers analysing data from gravitational-wave detectors, and nuclear and particle physicists.
Author : National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on Opportunities in the Science, Applications, and Technology of Intense Ultrafast Lasers
Publisher : National Academies Press
Page : 347 pages
File Size : 49,9 Mb
Release : 2018-01-31
Category : Science
ISBN : 9780309467728
The laser has revolutionized many areas of science and society, providing bright and versatile light sources that transform the ways we investigate science and enables trillions of dollars of commerce. Now a second laser revolution is underway with pulsed petawatt-class lasers (1 petawatt: 1 million billion watts) that deliver nearly 100 times the total world's power concentrated into a pulse that lasts less than one-trillionth of a second. Such light sources create unique, extreme laboratory conditions that can accelerate and collide intense beams of elementary particles, drive nuclear reactions, heat matter to conditions found in stars, or even create matter out of the empty vacuum. These powerful lasers came largely from U.S. engineering, and the science and technology opportunities they enable were discussed in several previous National Academies' reports. Based on these advances, the principal research funding agencies in Europe and Asia began in the last decade to invest heavily in new facilities that will employ these high-intensity lasers for fundamental and applied science. No similar programs exist in the United States. Opportunities in Intense Ultrafast Lasers assesses the opportunities and recommends a path forward for possible U.S. investments in this area of science.
Author : Anonim
Publisher : Unknown
Page : 930 pages
File Size : 51,9 Mb
Release : 2002
Category : Astronautics
ISBN : UOM:39015048312899
Author : Anonim
Publisher : Unknown
Page : 2330 pages
File Size : 53,5 Mb
Release : 2007
Category : Australia
ISBN : STANFORD:36105129027350
A biographic reference to notable people in Australia. Entrants are drawn from all areas of Australian life, including the arts, politics, education, medicine, defence, business, diplomatic service, and recipients of honours and awards.
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 564 pages
File Size : 55,9 Mb
Release : 2008-02-14
Category : Nature
ISBN : 0521874645
Astrophysical masers, naturally occurring microwave and radio-wave emissions, provide an important tool to investigate astrophysical environments. Several thousand maser sources have been observed in the interstellar medium and star formation regions, in the expanding winds from evolved stars, in the compressed shells of supernovae remnants, in comets and in the centers of galaxies. Masers are also useful for studying the structure and dynamics of our own galaxy, while masers in other galaxies are now used for cosmological studies and studies of galactic nuclei. This volume contains the latest research on the topic as presented at IAU Symposium 242, only the third international symposium on astrophysical masers. Over 125 astronomers from 18 different countries gathered in Alice Spring, Australia, for discussions on maser research.
Author : Brian Harvey,Henk H. F. Smid,Theo Pirard
Publisher : Springer Science & Business Media
Page : 732 pages
File Size : 55,5 Mb
Release : 2011-01-30
Category : Technology & Engineering
ISBN : 9781441908742
This work introduces the important emerging space powers of the world. Brian Harvey describes the origins of the Japanese space program, from rocket designs based on WW II German U-boats to tiny solid fuel 'pencil' rockets, which led to the launch of the first Japanese satellite in 1970. The next two chapters relate how Japan expanded its space program, developing small satellites into astronomical observatories and sending missions to the Moon, Mars, comet Halley, and asteroids. Chapter 4 describes how India's Vikram Sarabhai developed a sounding rocket program in the 1960s. The following chapter describes the expansion of the Indian space program. Chapter 6 relates how the Indian space program is looking ahead to the success of the moon probe Chandrayan, due to launch in 2008, and its first manned launching in 2014. Chapters 7, 8, and 9 demonstrate how, in Iran, communications and remote sensing drive space technology. Chapter 10 outlines Brazil's road to space, begun in the mid-1960's with the launch of the Sonda sounding rockets. The following two chapters describe Brazil's satellites and space launch systems and plans for the future. Chapters 13 and 14 study Israel's space industry. The next chapters look at the burgeoning space programs of North and South Korea. The book ends by contrasting and comparing all the space programs and speculating how they may evolve in the future. An appendix lists all launches and launch attempts to date of the emerging space powers.