Bouncing boulders on Comet 67P

Close-up of Comet 67P

A 67P Churyumov-Gerasimenko update by Melanie Davies FRAS In September 2019, at a major planetary sciences conference (EPSC-DPS), scientists lead by Jean-Baptiste Vincent presented evidence of curious bouncing boulders on Comet 67P/Churyumov-Gerasimenko. EPSC-DPS is the joint meeting of the European Planetary Science Congress and the Division of Planetary Sciences, and last year was held in Geneva, … Continue reading Bouncing boulders on Comet 67P

Cosmic cappuccino

Mars south polar ice cap

Just released by the European Space Agency (ESA), this stunning image shows Mars's southern polar ice cap, as rarely seen before. This is a permanent feature, composed of frozen water and carbon dioxide, and is 3km deep in places. It looks flat in this amazing image, but is in fact a mixed terrain of peaks, troughs and … Continue reading Cosmic cappuccino