Titlebook: Reports on Astronomy; Richard M. West (General Secretary of the Union) Book 1985 Springer Science+Business Media Dordrecht 1985 Astrometry

Endearing

Ephemerides,emed, therefore, appropriate to concentrate here to the general aspects rather than to describe the works going on at the particular almanac offices. It is, however, hoped that the past years with their developments and changes will be followed by a period of consolidation and continuity. This would

Left-Atrium

murmur

Abrupt

Radiation and Structure of the Solar Atmosphere,terior as well. The scientific purview of this commission, and of the present report, are complementary to those of Commission 10 (solar activity). Rather than attempting to review all progress in solar structure studies over the past triennium, this report deals with six topics of great current int

oxidant

accessory

Physical Study of Comets, Minor Planets, and Meteorites,t impetus to research on small bodies has been the imminent arrival of Comet Hal ley in the inner solar system. This famous comet, which was recovered in autumn 1982, has been the object of intense study during the past year as it has approached the sun and developed a tail. Much of the internationa

Perigee

ATRIA

Rotation of the Earth,d in the determination of the Earth’s rotation parameters (ERP) by different techniques has been increased significantly. The rotation of the Earth is currently measured by classical astrometry, Doppler and laser satellite tracking, laser ranging of the Moon, and radio interferometry. Several long t

羽毛長成

助記

Light of the Night Sky,ations - of zodiacal, galactic and extragalactic light. Although all components are of similar importance, investigations on zodiacal light have profitted most by the space age since their object of research, the interplanetary dust cloud, became accessible to direct in-situ measurements. Lunar samp