斜
发表于 2025-3-28 15:19:47
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Malleable
发表于 2025-3-28 20:25:45
X-Ray Sky Surveys and the Rosat Missionnts and transients. The extragalactic sources are mainly clusters of galaxies as well as Seyfert galaxies and BL Lac Objects. The identifications and follow-up studies of these sources have produced the main advances in X-ray astronomy in the first half of the 1970’s.
OGLE
发表于 2025-3-28 23:57:10
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GLIDE
发表于 2025-3-29 04:30:32
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Analogy
发表于 2025-3-29 07:56:51
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Insul岛
发表于 2025-3-29 13:43:12
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Flinch
发表于 2025-3-29 16:46:28
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blister
发表于 2025-3-29 22:05:07
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复习
发表于 2025-3-30 02:17:48
Ultra High Energy Gamma-Ray Astronomyon of ultra high energy γ-rays in the sources are discussed..It is demonstrated that if the γ-rays are produced via cosmic ray interactions the sources have to produce very high fluxes of cosmic ray particles. In fact it is possible that a small number of such sources can supply the whole Galactic cosmic ray flux.
predict
发表于 2025-3-30 04:30:11
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