... also to the naked eye, as a diffused and wide cone, just after and before the evening and morning twilights respectively ... A star forming region in the Orion Nebula (photo credit: ESO) [8]. d) Limit illumination to task specific areas and avoid over ...
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Ссылки http://www.eso.org/~fpatat/science/skybright/Patat_CIE2010.pdf -- 191.5 Кб -- 22.04.2010 Похожие документы
... al. (2001) obtained a planetary e nebula luminosity function (PNLF) distance of 10.5 ... ab out the density only outside a "cone of ignorance" of op ening angle 90 - i. The ...
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Ссылки http://www.eso.org/~eemselle/Teaching/M2_2007/DeLorenzi08.pdf -- 986.5 Кб -- 28.03.2011 Похожие документы