Comet´s collapsing cliffs and bouncing boulders
(WorldNews Africa)

Bouncing boulder on Comet 67P/C-G Comet`s collapsing cliffs and bouncing boulders 18 September 2019 Scientists analysing the treasure trove of images taken by ESA`s Rosetta mission have turned up more evidence for curious bouncing boulders and dramatic cliff collapses. Rosetta operated at Comet 67P/Churyumov-Gerasimenko between August 2014 and September 2016, collecting data on the comet`s dust, gas and plasma environment, its surface characteristics and its interior structure. As part of the analysis of some 76 000 high-resolution images captured with its OSIRIS camera, scientists have been looking for surface changes. In particular, they are interested in comparing the period of the...