橱柜
发表于 2025-3-21 17:23:46
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发表于 2025-3-21 23:37:31
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凹处
发表于 2025-3-22 04:10:56
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嫌恶
发表于 2025-3-22 08:20:51
The Great Refractor,before his marriage he had been observing double stars with the transit instrument and, later, with a Troughton refractor equipped with a micrometer. With these limited means, he became the first to confirm Herschel’s conclusion that the two components of the bright star Castor were moving in orbits around their common centre of mass.
过渡时期
发表于 2025-3-22 10:46:19
The Astronomical Capital of the World,ttle outward change. Otto remained Director until just after the Observatory’s fiftieth anniversary, and the continuity in Pulkovo’s life during those fifty years was not much affected by the formal change of Director in 1862.
带子
发表于 2025-3-22 15:43:29
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altruism
发表于 2025-3-22 19:45:06
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无法解释
发表于 2025-3-22 21:37:53
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strdulate
发表于 2025-3-23 01:40:15
,Otto’s Retirement and Last Years,nd Pulkovo, to precipitate the decision. To this extent, Otto may have been right in accusing them of “ulterior motives” (Chapter 15), although he may have misread those motives for something worse than they were. Nevertheless, the situation was a complex one with many factors affecting the course of events.
放气
发表于 2025-3-23 07:17:08
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