弄污
发表于 2025-3-26 23:08:51
ebular disk, and a powerful stellar wind sets in to reverse the accretion flow and reveal the central object as a pre-main-sequence star. At each stage, we rely on a combination of theory and observation to fix the basic parameters of the model. We show that core formation in a molecular cloud is an
绿州
发表于 2025-3-27 03:41:44
Stephen van Duin,Christopher D. Cook,Zheng Li,Gursel Aliciebular disk, and a powerful stellar wind sets in to reverse the accretion flow and reveal the central object as a pre-main-sequence star. At each stage, we rely on a combination of theory and observation to fix the basic parameters of the model. We show that core formation in a molecular cloud is an
NUDGE
发表于 2025-3-27 09:12:22
Guillaume Baffet,Ali Charara,Daniel Lechner,Damien Thomasquence is given. From stars of main-sequence spectral type A through early K, the dependence of rotation on mass and age is investigated, from results for stars in open clusters and in the field. The high-mass, single, normal dwarf stars of spectral type A display a common mean projected rotational
ATP861
发表于 2025-3-27 09:32:16
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感情
发表于 2025-3-27 15:36:17
Ioannis K. Nikolos,Nikos C. Tsourveloudsncluding the Orion, Taurus-Auriga, ρ Ophiuchi and Chamaeleon clouds obtained with the Einstein X-ray Observatory have revealed more than 150 X-ray luminous PMS stars to date. Some are classical strong emission line T Tauri stars while others are late-type PMS stars with weak or absent lines. The sof
lipoatrophy
发表于 2025-3-27 21:11:03
C. Pérez,N. García,J. M. Sabater,J. M. Azorín,L. Graciancluding the Orion, Taurus-Auriga, ρ Ophiuchi and Chamaeleon clouds obtained with the Einstein X-ray Observatory have revealed more than 150 X-ray luminous PMS stars to date. Some are classical strong emission line T Tauri stars while others are late-type PMS stars with weak or absent lines. The sof
Intact
发表于 2025-3-28 01:04:33
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傲慢物
发表于 2025-3-28 04:45:34
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行业
发表于 2025-3-28 08:12:15
Ernesto Olguín-Díaz,Vicente Parra-Vegacluster gas. We report on recent results of optical, UV, and IR studies on cooling flow clusters. The work centers on three topics: (1) Spectroscopic studies of the velocity structure of the line-emitting gas systems have been used to probe the dynamics of the central cluster regions. (2) Filter ima
无目标
发表于 2025-3-28 12:20:31
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