Sinuate 发表于 2025-3-21 17:41:13

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GEAR 发表于 2025-3-21 23:30:10

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共同时代 发表于 2025-3-22 02:41:18

The Cassini/Huygens Mission,A brief description is given of the Cassini/Huygens project involving a Saturn Orbiter and a Titan Atmosphere Probe. This mission, with NASA providing the Cassini Orbiter and ESA the Huygens Atmospheric Probe, will address a wide range of fundamental issues in the origin of the solar system and planetary atmospheres.

吵闹 发表于 2025-3-22 06:25:55

Structural Variations in the Quasar 2134+004,Observations by means of Very Long Baseline Interferometry (VLBI) have revealed an increase in the extent and a change in the orientation of the parsec-scale radio structure of the quasar 2134+004. The changes occurred without any large radio outburst and are very different from those generally seen in superluminal radio sources.

Incommensurate 发表于 2025-3-22 10:06:54

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地名表 发表于 2025-3-22 14:18:50

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Condyle 发表于 2025-3-22 19:59:04

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蛛丝 发表于 2025-3-22 22:11:22

Planetary Nebulae in Late Evolutionary Stages, an interesting subgroup of these sources, namely the aged ones. These old PN represent stages immediately before the nebulae become part of the general interstellar medium and before their central stars turn into white dwarfs.

mucous-membrane 发表于 2025-3-23 03:39:20

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冥界三河 发表于 2025-3-23 08:03:45

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查看完整版本: Titlebook: Reviews in Modern Astronomy 2; Gerhard Klare Conference proceedings 1989 Springer-Verlag Berlin Heidelberg 1989 Accretion.LOPES.Redshift.S