Imaging Tiny Comet Dust In 3D

Rosetta has imaged the smallest grains of Comet 67P/Churyumov-Gerasimenko‚Äôs dust yet, with its Micro-Imaging Dust Analysis System, MIDAS. MIDAS works by collecting and then physically scanning grains with an Atomic Force Microscope. This uses a very fine tip, a bit like an old-fashioned record player needle, that is scanned over a particle. The deflection of …Read More

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