 xref sci astro 35223 sci space 61404 newsgroup sci astro sci space path edu!da-new harvard edu!noc net!howland reston an net!agat!am!pan arc nasa gov!mose from mose pan arc nasa gov juli mose subject re temperatur dark sky messag-id 1993apr28 185206 3501 new arc nasa gov sender usenet new arc nasa gov organ nasa-am research center refer 1993apr28 002214 16544 princeton edu date wed 28 apr 1993 18 52 06 gmt line 29 doe refer recollect -- temperatur night sky space? note talk temperatur microwav background radiat there thing sky mbr i'm total blackbodi temperatur -- thermal radiat disregard shield sun nearbi larg warm object i'm help local interstellar radiat field measur model group if rememb thing correctli model involv contribut three bb sourc obviou temperatur background radiat local area howev refer interstellar radiat densiti function wavelength integr averag appropri manner effect temperatur witt johnson 1973 astrophi j 181 363 - 368 henri al 1980 astrophi j 239 859 - 866 mathi al 1983 astron astrophi 128 212 - 229 as refer start hope help juli 