A paceship makes a long trip from earth to the nearest star at speed $0\mathrm{.}600$c$.$ The star is $4\mathrm{.}20$ light$-$years away from earth, as measured in earth's frame of reference. How many years does the trip take according to a passenger of the ship? How many light$-$years distance is the star from earth, as measured by a passenger on the speeding spaceship