the-astronomical-almanac-for-the-year-2007

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The Astronomical Almanac contains a wide variety of both technical and general astronomical information. The book is a worldwide resource for fundamental astronomical data for use in the making and reduction of observations and for general purposes. This volume provides current and accurate data on the positions of the Sun, Moon and planets, together with data for physical observations, positions of planetary satellites, eclipses of the Sun and Moon and other fundamental astronomical reference data for the calendar year 2007.

The Astronomical Almanac contains a wide variety of both technical and general astronomical information. The book is a worldwide resource for fundamental astronomical data. The material appears in sections, each section addressing a specific astronomical category. The book also includes references to the material, explanations, and examples. The book is joint publication between U.S. Naval Observatory and Her Majesty's Nautical Almanac Office (HMNAO) in the UK. HMNAO maintains the copyright on the material it produces.

Electronic edition on CD ROM inside back cover

The amount of space debris is growing at an alarming rate, raising concern about its collision with operational spacecraft. This book analyzes the probability of such a collision when the orbits of two approaching objects are based on measurements with inherent errors. Many recent papers have dealt with the methodology of computing the collision probability in the encounter region, but they have assumed that the encounter is a flyby and is short-term, with the trajectories of the objects represented by straight lines. By contrast, Spacecraft Collision Probability, the outgrowth of the authors research during the past two decades, deals not only with those cases but also with important long-term cases in which objects spend protracted periods in the vicinity of each other. An extensive chapter is included on the International Space Station (ISS), to demonstrate how one would accurately gauge its probability of collision. The ISS is modeled according to its actual complex shape, component by componentenabling the detailed computation of a more realistic collision probability than one would obtain by the routine practice of modeling it as a sphere. In addition, the author developed Excel macros to obtain the numerical tables and graphical plots appearing in the book. That software is available on the Supporting Materials page of the AIAA Web site.

On cover: data for astronomy, space sciences, geodesy, surveying, navigation and other applications

This volume is a comprehensive directory and guide to the organizations and institutions throughout the sphere of higher education and learning. It profiles some 30,000 academic institutions and over 200,000 staff and officials.

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