World 's largest , fastest fully solar - powered boat is attempting round - the - world tour . Planet Solar will be covered in 470 square meters of solar panels -- the equivalent of two tennis courts . ` ` Planet ' '' has 470 square meters of space -- equivalent to two tennis courts . Vessel can travel at up to 26 k / h and is expected to cross Atlantic in two years .
World 's largest , fastest fully solar - powered boat is attempting round - the - world tour . ` ` Planet ' '' has 470 square meters of space -- equivalent to two tennis courts . Vessel can travel at up to 26 k / h and is expected to cross Atlantic in two years .