An astronaut is flving in a spaceship with a speed of [1.8 c with respect to Earth. The astronaut observes an event on Earth and determines that the time interval for the event to he completed is 33 hours. a} If the astronaut had a speed of 0.93 I: with respect to Earthr what would she observe the time interval to be for that same event? [T 4 marks] b] Would the astronaut measure the proper time interval orthe dilated time interval? Justify vour response. [T 1 mark]