You travel in your ship white star one at a constant speed of v 0.96*c to the nearby star proxima centauri, located 4.2 light years away from earth. a. from your point of view in the ship, how far is the star from the earth? b. if your mass is 68 kg, what is your kinetic energy while moving with the ship? c. how long does the journey take, according to clocks on your ship? d. h e. you have a twin back on earth that was the same ag ow long does the journey take, according to your friends back home on earth? e as you were when you left. when you travel back to earth who is older and by how much?