BROOK
发表于 2025-3-27 00:41:55
The Supernova Search at Zimmerwald/60/104 cm). The fields of the Schmidt has a diameter of .deg; the scale is 198″ mm.. We use film, since it is easier to handle than plates (especially so for rapid searches), and we buy the fastest panchromatic emulsions generally available (at the moment Kodak Tri X), the special emulsions for ast
借喻
发表于 2025-3-27 03:39:14
The Palomar Supernova Searchvae had been discovered worldwide since 1885 when the first supernova of modern times was found in M31. The introduction of the 18-in. Schmidt lead to a rapid increase in the rate of discovery; a particularly notable event was Zwicky’s discovery of the SN 1937c in IC 4182 which led to Baade and Mink
GOAD
发表于 2025-3-27 06:03:59
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cocoon
发表于 2025-3-27 12:46:34
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nettle
发表于 2025-3-27 13:44:33
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CIS
发表于 2025-3-27 20:41:08
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性满足
发表于 2025-3-27 22:52:40
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CROAK
发表于 2025-3-28 05:48:50
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制定法律
发表于 2025-3-28 08:27:41
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biopsy
发表于 2025-3-28 14:02:20
The Interpretation of the Spectra of Supernovae the spectrum is now apparent and there seems to be general agreement that some few spectral features have been successfully identified in the spectra of supernovae of type I as well as in those of type II. This recent progress stands in striking contrast to the relative stagnation that the subject