CROSS 发表于 2025-3-21 18:34:36

书目名称Jan Hendrik Oort影响因子(影响力)<br>        http://figure.impactfactor.cn/if/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort影响因子(影响力)学科排名<br>        http://figure.impactfactor.cn/ifr/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort网络公开度<br>        http://figure.impactfactor.cn/at/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort网络公开度学科排名<br>        http://figure.impactfactor.cn/atr/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort被引频次<br>        http://figure.impactfactor.cn/tc/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort被引频次学科排名<br>        http://figure.impactfactor.cn/tcr/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort年度引用<br>        http://figure.impactfactor.cn/ii/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort年度引用学科排名<br>        http://figure.impactfactor.cn/iir/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort读者反馈<br>        http://figure.impactfactor.cn/5y/?ISSN=BK0500408<br><br>        <br><br>书目名称Jan Hendrik Oort读者反馈学科排名<br>        http://figure.impactfactor.cn/5yr/?ISSN=BK0500408<br><br>        <br><br>

shrill 发表于 2025-3-21 21:05:50

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碎片 发表于 2025-3-22 03:11:27

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小步舞 发表于 2025-3-22 08:38:35

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CLASH 发表于 2025-3-22 10:58:21

Rotation of the Galaxy; Marriage, to build two special observatories at moderate latitudes and one at the equator. With staff member Sanders he reduced data taken by the latter near the equator to show the feasibility. This all led to the first Kenya Expedition which started in 1931. He analysed his data on high-velocity stars, whi

Suggestions 发表于 2025-3-22 15:29:33

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ticlopidine 发表于 2025-3-22 18:53:01

Professor and Adjunct-Director,junct-director and extraordinary professor. Oort took over responsibility of the Kenya Expedition. Using counts of galaxies as s guide to interstellar absorption and data from Kapteyn’s Plan of Selected Areas he derived an improved model for the structure of the stellar disk in the Galaxy near the S

神圣不可 发表于 2025-3-22 21:40:51

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hermitage 发表于 2025-3-23 02:19:28

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打包 发表于 2025-3-23 09:34:49

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查看完整版本: Titlebook: Jan Hendrik Oort; Master of the Galact Pieter C. van der Kruit Book 2019 Springer Nature Switzerland AG 2019 Biography of Jan Hendrik Oort.