... chaffer) Rainbows are tangentially polarized Primary: (42 degrees), 96 % by internal reflection Secondary: (51 degrees), 90%polarized (by the two internal reflections) Polarisation clock direction and strength of skylight polarisation depends on the ...
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Ссылки http://www.atnf.csiro.au/whats_on/workshops/synthesis2003/talks/polarimetry.pdf -- 790.0 Кб -- 22.05.2003 Похожие документы
... clouds and cometary globules but also most reflection clouds have elongated tails ... rimmed clouds including the Horsehead Nebula (object no. 52) are located closest to ...
... to call the last of these `reflection clouds' and all three categories collectively ... sequence from bright-rimmed clouds through cometary globules to reflection clouds ...
... A new, evolved bipolar planetary nebula . ... of Galactic Nebulae'' by Neckel & Vehrenberg (1990), is actually a planetary nebula ... The nebula has the following properties: it is located at 2.0 0.5Тљkpc from the Sun ...
... front, but are found in very extended HII regions like the Gum Nebula or may not be directly associated with an HII region (see ... We propose calling them as ''reflection clouds'' and all the three categories collectively as ''remnant clouds''. ...
... is indeed physically associated with the nebula would be important to understand the ... The central star (CSPN) of the planetary nebula M 1-25 (PN G 4.9+4.9) is classified ...
... a charge-shuffled image of the planetary nebula NGC ° 2438 in [SII] lines at 6731 ... a) Charge-shuffled image of the planetary nebula NGC 2438 in [SII]6371 (top ) and ...
... Broadband, antireflection (<0 · 5%) coatings on most of the optical surfaces suppress extraneous reflections, which together with multilayer broadband reflection ( 90%) coatings on the etalons permit observations anywhere within the spectral region 4800 ...
... radio waves detected directly from the source and from a reflection off the sea ... mass star-forming regions, the Carina Nebula, it underwent an outburst in the 1830s ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/oct03/ATNFnews_03Oct_final.pdf -- 1867.0 Кб -- 30.11.2011 Похожие документы