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Binaries as Tracers of Stellar Formation
More than two-thirds of stars belong to multiple stellar systems. Binary stars are considered now as one of the best constraints on stellar formation models. Not only do binaries keep memory of their birth conditions but their orbit will also be subjected to changes by tidal effects, wind accretion and encounters in clusters. Certainly the correlation between orbital eccentricity and period is a clue to our understanding of double star history. These proceedings aim to disentangle evidence of stellar formation from later physical evolution. Each article in this 1992 volume is a paper that was read at a meeting organized to honour Dr Roger Griffin of the University of Cambridge for his pioneer work in galactic astronomy, dynamics of clusters and study on binary stars due to his cross-correlation technique to determine stellar radial velocities.
The Nobel Prizes 2019
The Nobel Prizes is the official yearbook of the Nobel Foundation. This edition provides extensive information about the 2019 laureates: their Nobel Prize lectures and their autobiographies, as well as presentation speeches and background about the Nobel festivities.Published on behalf of the Nobel Foundation.
Dynamics of Young Star Clusters and Associations
Where do most stars (and the planetary systems that surround them) in the Milky Way form? What determines whether a young star cluster remains bound (such as an open or globular cluster), or disperses to join the field stars in the disc of the Galaxy? These questions not only impact understanding of the origins of stars and planetary systems like our own (and the potential for life to emerge that they represent), but also galaxy formation and evolution, and ultimately the story of star formation over cosmic time in the Universe. This volume will help readers understand our current views concerning the answers to these questions as well as frame new questions that will be answered by the Euro...
Science's Most Wanted
Science and technology have had more than their share of the good, the bad, and the bogus. Alfred William Lawson, the designer of the first airliner, believed that two types of creatures lived within the brain Menorgs, A which were the mental organizers responsible for all good things, and Disorgs, A which infect all cells with disorganization. Chonosuke Okamura collected and catalogued what he thought were tiny men and animals, all 1/100-inch long, which most geologists think are actually mineral grains. Peter Fong found that the expression happy as a clamA had a scientific basis when he tested the effects of Prozac on fingernail clams. The dashing figure of dinosaur hunter Roy Chapman Andr...
New Worlds in the Cosmos
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Science with the VLT
ESO's new and exciting telescope, the VLT in Chile, will certainly provide a host of new results in optical astronomy for the years to come. Here now is a survey of numerous possible observations together with the necessary instrumentation, thus affording an exciting overview of frontline research in astronomy rarely published before. The book runs the gamut of optical-IR astronomy from the solar system, the search for planets in nearby stars, the physics of galactic stars and clusters, AGN and quasars, right up to large structure and cosmology. Furthermore, it summarizes the two panel discussions held during the workshop.
Bone Grafting in Revision Hip Arthoplasty
One of the major surgical techniques for revising replaced joints that have worn due to progressive osteolysis is the restoration of the bone stock using impact bone allograft (the other is long stemmed cementless implants). Bringing together the contributions clinicians, scientists, engineers, and.
Transactions of the International Astronomical Union
IAU Transactions XXIIB summarizes the work of the XXIInd General Assembly. The discourses given during the Inaugural and Closing Ceremonies are reproduced in Chapters I and III, respectively. The proceedings of the two sessions of the General Assembly will be found in Chapter II, which includes the Resolutions and the report of the Finance Committee. The Statutes, Bye-Laws and a few working rules of the Union are published in Chapter IV. The Accounts and other aspects of the administration of the Union are recorded in Chapter V, together with the report of the Executive Committee for this last triennium, and provide the permanent record for the Union in the period 1991-1994. This volume also contains the Commission reports from The Hague compiled by the Presidents of the Commissions (Chapter VI). Finally, Chapter VII contains the list of countries adhering to the Union and the alphabetical, geographical and commission membership lists of about 8000 individual members. The IAU still appears to be unique among the scientific Unions in maintaining this category of individual membership which contributes in a crucial way to the spirit and the aims of the Union.
Impaction Bone Grafting in Revision Arthroplasty
This book provides the reader with the state of the art in bone stock reconstruction with impaction. Written specifically for surgeons who wish to optimize their grafting techniques and base their decisions on the latest scientific data on mechanical and biological aspects of impaction methods, this reference familiarizes readers with impaction bon
