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Download or read book Space-based Astronomy written by and published by . This book was released on 1994 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Space-based Astronomy written by and published by . This book was released on 1994 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: Willem Wamsteker
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 721
ISBN-13: 9401107947
DOWNLOAD EBOOKROSAT 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.
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.
Author: Martin V. Zombeck
Publisher: Cambridge University Press
Published: 2006-11-09
Total Pages: 95
ISBN-13: 1139459503
DOWNLOAD EBOOKFully updated and including data from space-based observations, this Third Edition is a comprehensive compilation of the facts and figures relevant to astronomy and astrophysics. As well as a vast number of tables, graphs, diagrams and formulae it also includes a comprehensive index and bibliography, allowing readers to easily find the information they require. The book contains information covering a diverse range of topics in addition to astronomy and astrophysics, including atomic physics, nuclear physics, relativity, plasma physics, electromagnetism, mathematics, probability and statistics, and geophysics. This handbook contains the most frequently used information in modern astrophysics, and will be an essential reference for graduate students, researchers and professionals working in astronomy and the space sciences. A website with links to extensive supplementary information and databases can be found at www.cambridge.org/9780521782425.
Download or read book Handbook of Space Astronomy and Astrophysics written by Martin V. Zombeck and published by Cambridge University Press. This book was released on 2006-11-09 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully updated and including data from space-based observations, this Third Edition is a comprehensive compilation of the facts and figures relevant to astronomy and astrophysics. As well as a vast number of tables, graphs, diagrams and formulae it also includes a comprehensive index and bibliography, allowing readers to easily find the information they require. The book contains information covering a diverse range of topics in addition to astronomy and astrophysics, including atomic physics, nuclear physics, relativity, plasma physics, electromagnetism, mathematics, probability and statistics, and geophysics. This handbook contains the most frequently used information in modern astrophysics, and will be an essential reference for graduate students, researchers and professionals working in astronomy and the space sciences. A website with links to extensive supplementary information and databases can be found at www.cambridge.org/9780521782425.
Author: National Research Council
Publisher: National Academies Press
Published: 1997-07-06
Total Pages: 89
ISBN-13: 0309058279
DOWNLOAD EBOOKDownload or read book A New Science Strategy for Space Astronomy and Astrophysics written by National Research Council and published by National Academies Press. This book was released on 1997-07-06 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author: David Leverington
Publisher: Cambridge University Press
Published: 2000
Total Pages: 524
ISBN-13: 9780521658331
DOWNLOAD EBOOKAn extensively illustrated account of the development and achievements of astronomical observations from space since WWII.
Download or read book New Cosmic Horizons written by David Leverington and published by Cambridge University Press. This book was released on 2000 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: An extensively illustrated account of the development and achievements of astronomical observations from space since WWII.
Author: Luisa Bonolis
Publisher: BRILL
Published: 2022-12-05
Total Pages: 744
ISBN-13: 9004529136
DOWNLOAD EBOOKThis book provides the first comprehensive historical account of the evolution of scientific traditions in astronomy, astrophysics, and the space sciences within the Max Planck Society. Structured with in-depth archival research, interviews with protagonists, unpublished photographs, and an extensive bibliography, it follows a unique history: from the post-war relaunch of physical sciences in West Germany, to the spectacular developments and successes of cosmic sciences in the second half of the 20th century, up to the emergence of multi-messenger astronomy. It reveals how the Society acquired national and international acclaim in becoming one of the world’s most productive research organizations in these fields.
Download or read book Astrophysics, Astronomy and Space Sciences in the History of the Max Planck Society written by Luisa Bonolis and published by BRILL. This book was released on 2022-12-05 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the first comprehensive historical account of the evolution of scientific traditions in astronomy, astrophysics, and the space sciences within the Max Planck Society. Structured with in-depth archival research, interviews with protagonists, unpublished photographs, and an extensive bibliography, it follows a unique history: from the post-war relaunch of physical sciences in West Germany, to the spectacular developments and successes of cosmic sciences in the second half of the 20th century, up to the emergence of multi-messenger astronomy. It reveals how the Society acquired national and international acclaim in becoming one of the world’s most productive research organizations in these fields.
Author: National Research Council
Publisher: National Academies Press
Published: 2007-07-05
Total Pages: 66
ISBN-13: 0309107342
DOWNLOAD EBOOKThe astronomy science centers established by the National Aeronautics and Space Administration (NASA) to serve as the interfaces between astronomy missions and the community of scientists who utilize the data have been enormously successful in enabling space-based astronomy missions to achieve their scientific potential. These centers have transformed the conduct of much of astronomical research, established a new paradigm for the use of large astronomical facilities, and advanced the science far beyond what would have been possible without them. Portals to the Universe: The NASA Astronomy Science Centers explains in detail the findings of this report.
Download or read book Portals to the Universe written by National Research Council and published by National Academies Press. This book was released on 2007-07-05 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The astronomy science centers established by the National Aeronautics and Space Administration (NASA) to serve as the interfaces between astronomy missions and the community of scientists who utilize the data have been enormously successful in enabling space-based astronomy missions to achieve their scientific potential. These centers have transformed the conduct of much of astronomical research, established a new paradigm for the use of large astronomical facilities, and advanced the science far beyond what would have been possible without them. Portals to the Universe: The NASA Astronomy Science Centers explains in detail the findings of this report.
Author: Joseph N. Tatarewicz
Publisher: Indiana University Press
Published: 1990
Total Pages: 218
ISBN-13: 9780253356550
DOWNLOAD EBOOK"... the book reminds us of an important lesson in the postwar era of big science: that government policy may lead initially to tremendous support for various fields of science and technology." --Science "... a triumph of historical analysis." --Choice "This is an excellent record of the beginnings of the NASA plantetary astronomy program in the years 1958-70." --American Historical Review "The historical circumstances that led to this country's great leap into space were unique, but it is clear that there are many lessons to be learnt from this enthralling tale and Tatarewicz tells the tale well." --Annals of Science When NASA went looking for expertise on the moon and planets following Sputnik, they found that astronomers had long since turned their telescopes away from our planets and toward the stars. Where were the scientists who could help the United States explore the solar system? The answer, as this important new study shows, was that NASA had to create them This story of the precipitous rise and decline of planetary astronomy is an important case study of science in an age of state-managed research and development. It demonstrates that the lines between science, technology, politics, and society are anything but fixed and impermeable.
Download or read book Space Technology & Planetary Astronomy written by Joseph N. Tatarewicz and published by Indiana University Press. This book was released on 1990 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: "... the book reminds us of an important lesson in the postwar era of big science: that government policy may lead initially to tremendous support for various fields of science and technology." --Science "... a triumph of historical analysis." --Choice "This is an excellent record of the beginnings of the NASA plantetary astronomy program in the years 1958-70." --American Historical Review "The historical circumstances that led to this country's great leap into space were unique, but it is clear that there are many lessons to be learnt from this enthralling tale and Tatarewicz tells the tale well." --Annals of Science When NASA went looking for expertise on the moon and planets following Sputnik, they found that astronomers had long since turned their telescopes away from our planets and toward the stars. Where were the scientists who could help the United States explore the solar system? The answer, as this important new study shows, was that NASA had to create them This story of the precipitous rise and decline of planetary astronomy is an important case study of science in an age of state-managed research and development. It demonstrates that the lines between science, technology, politics, and society are anything but fixed and impermeable.
Author: National Research Council
Publisher: National Academies Press
Published: 2002-01-07
Total Pages: 400
ISBN-13: 0309183073
DOWNLOAD EBOOKIn 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.
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.
Author: Joseph A. Angelo
Publisher: Infobase Publishing
Published: 2014-05-14
Total Pages: 753
ISBN-13: 1438110189
DOWNLOAD EBOOKPresents a comprehensive reference to astronomy and space exploration, with articles on space technology, astronauts, stars, planets, key theories and laws and more.
Download or read book Encyclopedia of Space and Astronomy written by Joseph A. Angelo and published by Infobase Publishing. This book was released on 2014-05-14 with total page 753 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a comprehensive reference to astronomy and space exploration, with articles on space technology, astronauts, stars, planets, key theories and laws and more.