Recently active lava flows from volcano Idunn Mons on Venus

19 October 2016 Astronomy Now

Planetary researchers at the German Aerospace Center (DLR) have pushed the limits of the data resolution from ESA’s Venus Express spacecraft. With this new technique, analysis of the top and eastern flank of 200-kilometre-wide volcano Idunn Mons in the southern hemisphere of Venus revealed an indication of geologically recent volcanism in this area.


Rosetta’s first peek at comet 67P’s dark side

4 October 2015 Astronomy Now

Since its arrival at comet 67P/Churyumov-Gerasimenko in August 2014, ESA’s Rosetta spacecraft has been surveying the surface and the environment of this curiously shaped body. Now that the comet is experiencing a brief, hot southern hemisphere summer, its south polar regions have emerged from almost five years of total darkness and it has been possible to observe them with other Rosetta instruments.