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#Mon Aug 09 11:42:17 CEST 2010
Slide__XGQcQKOaEd-WfYQ0GneCwQ_footer=Source\: European Space Agency (ESA)
Slide__XGQcQKOaEd-WfYQ0GneCwQ_subTitle=Different patterns of images
Slide__XGQcQKOaEd-WfYQ0GneCwQ_title=Mass distributions acting as lenses