GREEN technology is not something usually associated with space exploration, but a solar-powered plane that could fly around Mars both day and night may change that.
The Swiss Federal Institute of Technology in Zurich is developing the Sky Sailor, a plane with solar cells on its wings. These would provide power during the day while also charging a battery to keep it aloft at night, says project leader Roland Siegwart. The team believe the Sky Sailor could scour the Martian surface from 1.5 kilometres up for places of interest that a rover might explore, relaying that information back to…
