Titlebook: Resolute and Undertaking Characters: The Lives of Wilhelm and Otto Struve; Alan H. Batten Book 1988 D. Reidel Publishing Company, Dordrech

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ALIEN

Measuring the Earth,enty-five years he packed more than seems possible for any one man to achieve. He was responsible for courses in both mathematics and astronomy, until 1820 when he gave up teaching the former, and he undertook two research projects. The first was the measurement of the arc of the meridian passing th

DEMN

放肆的我

The Astronomical Capital of the World,omers. In Dorpat he had been his father’s student and --like Sabler and Fuss before him-- very lowly assistant. In Pulkovo he was entrusted with the brand-new 15-inch refractor, with which he looked for any double stars his father might have missed, followed unknown or suspected orbital motions of o

儲備

Measuring the Sky,bservers of his time, with access to some of the best instruments, he should be in the forefront of those attempting to meet this supreme challenge to early nineteenth-century astronomy (Chapter 3). Much of his effort in Dorpat had been devoted to this, but complete success eluded him until the very

難聽的聲音

The Early Pulkovo Years,ion. “From 1843 on” Otto tells us “Father’s personal participation in observing became rarer”.. To be sure, in that very year he led a chronometer expedition to determine the longitude difference between Pulkovo and Altona, and he continued for some years to use “his” prime-vertical instrument, as B

opalescence

,“Etudes d’Astronomie Stellaire”,ations of the St Petersburg Academy, not to mention the early volumes of .. There remains the book ., published in 1847, which was important in its time and reveals a different side of Wilhelm’s scientific personality.

油膏

,Wilhelm’s Illness and Last Years, field-work had preserved the health of the mature man. After the childhood diseases, Otto wrote, Wilhelm had no illness except for occasional trouble with a tapeworm.. After Wilhelm returned from his visit abroad in 1853, however, the preparation of . for publication took all his energy, and his wa

異端邪說2

帶傷害

The Companion of Procyon and the Transits of Venus, but we also have the evidence of contemporaries such as Piazzi Smyth who saw him at work (Chapter 7). If still more evidence is needed, the work on artificial double stars, or Otto’s requiring Nyrén to repeat the aberration observations --both described in the previous chapter-- should provide it.