Congregate
发表于 2025-3-25 05:28:26
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颂扬国家
发表于 2025-3-25 09:33:29
HIPPARCOS -an Assessmentgh the failure of its apogee boost motor. Present indications are that the possible operational lifetime should nevertheless extend beyond the end of 1992, with extremely high-quality scientific data being returned for some 65 per cent of the time. For an assumed 3-year operational lifetime, the ori
喊叫
发表于 2025-3-25 12:55:48
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Malleable
发表于 2025-3-25 16:20:22
Atomic & Molecular Data for Space Astronomy: Needs & Availability the origins of the photons and work out their histories as they journeyed through space. By analysis of the events in which the photons participated, we can construct pictures of the diverse physical and chemical environments and processess occurring in the Universe and we can learn about the natur
AWE
发表于 2025-3-25 22:33:58
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事情
发表于 2025-3-26 01:49:53
Solar & Stellar Coronaeat is flowing outward, and at least some of which is at a temperature in excess of 10.K. Coronae defined in this way are almost universal among stars—excepting cool supergiants—but this similarity may hide significant differences in the processes that produce coronae. There are two rather different
myalgia
发表于 2025-3-26 06:33:18
Results from ROSAT & GRO & other recent high energy astrophysics missionsMany active galactic nuclei (AGNs) have been observed from Ginga, and their spectra as well as the time variations have been studied. Study of the sky brightness fluctuation has given a new result related to the cosmic X-ray background.
多余
发表于 2025-3-26 11:15:17
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不爱防注射
发表于 2025-3-26 14:52:01
Automated Telescopes for Photometry & Imaging: Performance & Results with IR ArraysAn edited review of the presentations given at Joint Commission Meeting II during the 21st General Assembly of the IAU is presented.
老巫婆
发表于 2025-3-26 18:55:07
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