Gnrh670
发表于 2025-3-25 03:32:29
978-3-540-76164-8Springer-Verlag London 1997
LAPSE
发表于 2025-3-25 11:24:53
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nettle
发表于 2025-3-25 13:33:38
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伪书
发表于 2025-3-25 17:34:19
https://doi.org/10.1007/978-3-030-59191-5pe skyward was Galileo Galilei, two years later. The second of these statements is definitely wrong. Thomas Harriot, one-time tutor to Sir Walter Raleigh, drew a telescopic map of the Moon months before Galileo made his original telescope. It may well be that the first statement is also wrong, and t
licence
发表于 2025-3-25 20:01:40
Fabio Krykhtine,Felix Mora-Caminoake mistakes, and one of these concerned the refracting telescope. He could see no way of overcoming the false colour problem, so that in his view the refractor could never be developed to any great extent. Therefore, he adopted a completely different system. Why not dispense with the object-glass a
并置
发表于 2025-3-26 02:56:44
A. Hilmi Lav,A. Burak Goktepe,M. Aysen Lavof what was to come. He was born Friedrich Wilhelm Herschel, son of a bandmaster in the Hanoverian Guards, on 15 November 1738; Hanover was his home town, and he was educated there. He went to the Garrison School, and soon showed his ability, since mathematics and languages came easily to him. So di
fructose
发表于 2025-3-26 07:28:30
David J. Young,James R. McDonaldd to a mechanical drive, and it could never be used for serious photography or spectroscopy. Yet it was by far the most powerful telescope ever built up to that time, and it was used to make fundamental discoveries. Its immense light-grasp meant that it could show objects quite beyond the range of a
agglomerate
发表于 2025-3-26 09:59:27
https://doi.org/10.1007/978-3-642-13101-1 which held sway. This was due largely to the work of Josef Fraunhofer, in Germany, who proved to be a genius at lens-making; it is doubtful whether his object-glasses have been surpassed even now. One of his refractors, an equatorially-mounted 9-inch, had been sent to the Berlin Observatory, and it
失望昨天
发表于 2025-3-26 12:55:28
Machinery for thinking about actions,as produced in Paris near the end of the century, and by then there had also been very good images of objects such as star-clusters and nebulae. Telescope drives had to be very good if timeexposures were to be made; electric drives lay in the future, but clockwork was adequate, and so were drives of
焦虑
发表于 2025-3-26 16:53:34
Optimierung der Aufspannung und Bearbeitung,iginal reflector; then the Rosse Leviathan, and in the twentieth century the 100-inch at Mount Wilson. Next in sequence comes the Palomar 200-inch, which again was the brainchild of that remarkable man George Ellery Hale.