re temperature of the dark sky in article apr princeton edu richmond spiff princeton edu stupendous man writes henry if i read you correctly you may be asking if i put a blackbody in interstellar space disregarding the sun and nearby large warm objects what termperature will it reach in thermal equilibrium with the ambient radiation field basically the right question although i was interested in cases closer to home where the sun is behind either a natural object or effective shielding if that s the case let me point out that interstellar dust and molecules provide many instances of things that are well not too far from being blackbodies inside the disk of the galaxy the temperature varies quite a bit from place to place good point and thanks for the references svr resembles a high speed collision henry spencer u of toronto zoology between svr and sunos dick dunn henry zoo toronto edu utzoo henry
