Robert L. Forward

Ocean Under the Ice is a science fiction novel by Robert L. Forward. It is part of the Rocheworld series, about an expedition to explore planets found in orbit around Barnard's Star. It was written after Marooned on Eden, but is before it in the continuity. This is the third book in the continuity.

Rocheworld is a science fiction novel by Robert Forward in which he uses a light sail propulsion system to set the crew on an interstellar mission. The spaceship and crew of 20 have to travel 5.9 light-years to the double planet that orbits Barnard's Star, which they call Rocheworld. Its sequels include Return to …