Our cover picture ...
…shows a powerful jet recorded by the OSIRIS camera aboard the Rosetta probe on 29 July 2015 from a distance of 186 kilometers. In this gas outburst, cometary material is ejected into space. This clearly illustrates how cometary material, the basis of meteor showers, leaves the comet.
Source: ESA/Rosetta/MPS for OSIRIS Team/MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA.
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