Imaging polarimetry is a well-established tool for deriving specific 
physical and compositional properties of the surface materials of 
atmosphereless solar system bodies. In the talk, an introduction to 
telescopic imaging polarimetry of comets, asteroids and the Moon will be 
provided. In combination with numerical simulations of the behaviour of 
light scattered by cosmic dust particles, polarimetric observations of 
comets allow for inferring information about particle morphologies, 
particle size distributions and the fractions of basic compositional 
constituents such as silicates, carbonaceous materials and ices. For 
asteroids and the Moon, physical interpretations of polarimetric 
observations are more difficult and ambiguous due to the increased 
physical complexity resulting from the occurrence of multiple-scattering 
effects between the more densely packed surface particles. The talk will 
provide a presentation of the results of polarimetric observations and 
numerical modelling work regarding cometary dust coma and tail particles 
that have been conducted recently in our group. These will be 
complemented by an overview of our ongoing multispectral observation 
campaign of the polarisation properties of various terrain types on the 
Moon, including a comparison to polarimetric data of asteroids. The talk 
will conclude with a summary of open questions regarding both the 
observational and the physical modelling aspects.