Parlox's Sleep, Seven Hours Wake, Nine Hours Repeat

Parlox is travelling from earth to jupiter's moon, europa. He wants to investigate the ocean beneath the ice on the surface for signs of life. His huge body is right now empty and an almost perfect vacuum. But insides cavernous body is one of the most perfect markzenda inter pherometers ever to have been created. The half silvered mirrors near perfect, the ser perfectly able to attenuate the beam down to just one photo on each micro second, second or even our if you like. And detectors the most sensitive ever created.