“The models were right”: astronomers find ‘missing’ matter (www.esa.int)
If anyone is at the Open Day at ESTEC today there is a large surface model of Enceladus and the study team presenting the mission concept. It’s in the Aldo van Eyck Building together with the other Space Science missions
After a thorough evaluation, ESA preselected the proposals of the following Challengers:...
Launched on 19 December 2013, Gaia’s fuel tank is now approaching empty – it uses about a dozen grams of cold gas per day to keep it spinning with pinpoint precision. But this is far from the end of the mission.