67PChuryumov-Gerasimenko
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Rosetta 3D images comet dust before it bids farewell
Rosetta's scientists are doing every bit of science they can before the European Space Agency crashes the probe into the comet it's been studying. In fact, the spacecraft's Micro-Imaging Dust Analysis System (MIDAS) has just analyzed dust samples Rosetta collected from Comet 67P/Churyumov-Gerasimenko from November 2014 to February 2015. Mark Bentley, MIDAS' principal investigator, explained that "we need to understand the structure of the smallest grains and how they are built" to understand how comets are formed. Comet dust could also shed light on the beginnings of our solar system.
