Midas Dust Particle E From Comet 67P/C-G

Atomic force microscope topographic images of MIDAS particle E, a loosely packed 'fluffy' aggregate comprising many grains. (a) Overview image with a pixel resolution of 210 nm and a colour scale representing height. b) Sub-units (grains) of the particle detected at the resolution of the instrument are outlined. (c) 3D image of the particle corresponding to the area covered by the red outline in (a) with two times height exaggeration to aid visualisation.