That date makes this system the oldest group of terrestrial worlds known. (scientificamerican.com)
Understanding the origin and fate of methane on these bodies will provide crucial clues to the processes that shape the formation, evolution and habitability of terrestrial worlds in this solar system and possibly in others. (scientificamerican.com)
Avon Colony will allow you to build, customise and maintain settlement within an extra terrestrial world called Aven Prime, full of wetlands, deserts and tundras. (fingerguns.net)