瘙痒
发表于 2025-3-25 04:05:06
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Cardiac
发表于 2025-3-25 09:49:34
Abundances and Ionization in Multiple-Component Absorbersthe Zn II / H I ratio provides only a weak upper limit to for the system. The (S II / Zn II) value implies a strong Fe-peak enhancement relative to .-product elements, compared to Galactic halo stars at = −2.2. The consequence is that the relative rates of supernovae Type I and Type II may depend on local conditions.
无能力
发表于 2025-3-25 13:46:51
1431-2433systems or ejecta from the QSO themselves is settled. QSO absorption line spectroscopy, initially a mere technique, has matured into an essential extragalactic research tool for understanding the content of the Universe at redshifts between 0 and 4, and beyond. The only previous important meeting d
有毒
发表于 2025-3-25 19:41:39
ESO Astrophysics Symposiahttp://image.papertrans.cn/q/image/780022.jpg
凹槽
发表于 2025-3-25 21:35:24
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FILTH
发表于 2025-3-26 02:33:37
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滑动
发表于 2025-3-26 06:18:37
QSO Absorption by Nearby Galaxiesl views highlighted by the recent NATO conference on the opacity of spiral disks. We find that a significant amount of the universe will be obscured at redshifts important to QSO astronomers. This implies that any studies at high redshift should take account of this absorption.
CHART
发表于 2025-3-26 11:45:47
High Redshift Lyman Limit and Damped Lyman-Alpha Absorbersed to create new samples of high redshift Lyman-limit and damped Lyman-a absorbers. These data have been combined with published data sets in a study of the redshift evolution and the column density distribution function for absorbers with logN(HI)≥ 17.5, over the redshift range 0.01 < z < 5. The main results are:
Evocative
发表于 2025-3-26 13:32:49
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FOVEA
发表于 2025-3-26 19:47:29
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