DIVISION B COMMISSION 6: ASTRONOMICAL TELEGRAMS
نویسندگان
چکیده
منابع مشابه
American Astronomical Society – Division on Dynamical Astronomy
Currently, there are more than 100 confirmed multiple-planet systems. Moreover, a recent study by Kepler has identified 361 multiple-planet candidate systems. Investigating these systems would give us an important clue in understanding formation and evolution of planetary systems. In such multiple-planet systems, secular interactions among planets could play a significant role in determining th...
متن کاملAmerican Astronomical Society Division on Dynamical Astronomy
[1.01] Asteroids: Radar Observations and Dynamics S. J. Ostro (JPL/Caltech) Radar delay-Doppler measurements are powerful for refining asteroid orbits because they have extremely fine fractional precision and are orthogonal to optical angle astrometry. Radar detection of a newly discovered near-Earth asteroid (NEA) secures its orbit and can add centuries to the interval over which its close Ear...
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This report presents a summary of Japanese contributions, including those of international collaborations, in the field related to URSI Commission B during the last three years. It is not intended to be an exhaustive survey of all relevant works, but rather an omnibus of important works around the authors of each section or subsection. If important contributions in some field are missing, it is...
متن کاملUNITED NATIONS ECONOMIC COMMISSION FOR EUROPE Statistical Division
This report collects and reviews the definitions used by countries of Central, Eastern and South-Eastern Europe, Caucasus and Central Asia to monitor poverty and employment according to the Millennium Development Goal 1. It distinguishes the indices on the basis of the threshold used to measure poverty: international or national, absolute or relative, extreme or less severe, based on food intak...
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Pollution does not respect international borders anywhere, but in Europe, with its heavy industrialization and small nations, this is particularly evident. By the 1970s, it had become apparent that air pollution from other nations was contributing to the acidification of lakes in Sweden and the deterioration of statues and monuments in countries such as Germany and Austria. A 1986 industrial ac...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2015
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921316000661