Mawrth Vallis
ESA - if you need a volunteer to start the first National Milk Bar on Mars don't be too proud to ask.
The European Space Agency has narrowed its candidate list of landing sites for the ExoMars rover to two choices. ExoMars should fly in the year 2020 and will carry a rover and a stationary observer to the Red Planet. The big question is where to land both. The ESA prefers locations that offer opportunities to explore hitherto …
Da iawn, bois!
But if they were going to do a proper job of naming, maybe they shouldn't mix Latin and Welsh - how about Dyffryn Mawrth or Cwm Mawrth? Or even, to encourage settlers, Cwm Mawrthlon?
Either way, does that mean that it comes under the jurisdiction of the Welsh Assembly? Can we send the Welsh 'Leavers' there to establish a new colony - Patagonia was very successful!