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Comet changes: fracture growth in Anuket

Comet changes: fracture growth in Anuket


Date: 20 March 2017
Satellite: Rosetta
Depicts: Comet 67P/Churyumov-Gerasimenko
Copyright: See below

A 500 m-long fracture in the neck region of Comet 67P/Churyumov-Gerasimenko was spotted early in Rosetta's mission (left), which evolved over the two years of study. Already by December 2014, it had extended by about 30 m, which is thought to be linked to the comet's increasing spin rate in the lead up to perihelion. Furthermore, in images taken in June 2016 (right), a new fracture at least 150 m long, and perhaps extending up to 300 m, was identified parallel to the original fracture, as indicated here.

The images were taken by Rosetta's OSIRIS camera on 25 August 2014 (left) and 6 June 2016 (right), with resolutions of 0.9 m/pixel and 0.5 m/pixel, respectively.

Credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA

Last Update: 1 September 2019
1-Dec-2021 00:07 UT

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