自由职业者
发表于 2025-3-25 05:07:20
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Oafishness
发表于 2025-3-25 08:55:10
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Expertise
发表于 2025-3-25 12:24:01
978-94-010-4481-3Springer Science+Business Media Dordrecht 1994
NIB
发表于 2025-3-25 16:37:50
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frugal
发表于 2025-3-25 20:21:23
https://doi.org/10.1007/978-94-011-1100-3Astrometry; astronomy; astrophysics; instruments; positional astronomy
Rebate
发表于 2025-3-26 02:25:30
Positional Astronomy,The scope of this report embraces activities in wide-angle optical astrometry, and specifically excludes photographic astrometry, which is the province of Commission 24, and radio-astrometry, which is the province of Commission 40.
Facet-Joints
发表于 2025-3-26 05:21:05
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高脚酒杯
发表于 2025-3-26 11:13:53
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monochromatic
发表于 2025-3-26 13:01:45
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未开化
发表于 2025-3-26 18:23:20
Photographic Astrometry,ter this date problems with gyroscopes became serious but successful data collection until March 18/1993 was still possible. Due to additional serious hardware failures the observational phase of the Hipparcos mission will be terminated soon.