Neolithic
发表于 2025-3-26 21:31:32
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愤慨点吧
发表于 2025-3-27 04:07:49
Ephemerides, catalogues or maps of the heavens established for the epoch J2000.0. This is awkward for observers of comets and minor planets and, for that reason, Commission 20 decided, at the New Delhi meeting of IAU that there would be a gradual introduction of the J2000.0 system as far as those bodies are concerned.
capsaicin
发表于 2025-3-27 07:47:33
Stellar Photometry and Polarimetry,heir capability of delivering immediately recordable signals which can be processed by appropriate computational means, have been the cause of spectacular progress regarding the photometric precision of weak signal measurements.
Thyroid-Gland
发表于 2025-3-27 11:42:05
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V洗浴
发表于 2025-3-27 17:03:29
Double and Multiple Stars,emands upon double star astronomy that have been absent for half a century. Today double and multiple star astronomy is perhaps closer to fulfilling its true potential than it has ever been, entering a fundamentally important area of modern astrophysics.
IOTA
发表于 2025-3-27 20:53:44
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Heart-Attack
发表于 2025-3-28 00:27:32
Arthur R. Upgren,William F. van Altena,A. N. Argue,T. E. Corbin,Ch. de Vegt,W. Gliese,I. I. Kanaev,T
Mettle
发表于 2025-3-28 04:22:05
Jean-Pierre Swings (General Secretary of the Union
Insufficient
发表于 2025-3-28 07:19:03
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Limpid
发表于 2025-3-28 11:53:02
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