While moving at 0.6c away from earth it sends a smaller ship away from the earth at 0.9c (relative to the spaceship). How fast do you (an observer on earth) measure the smaller ship to be moving? 29) Observers on earth measure the spaceship to be 100 m long. What is the spaceship"s proper length (that people on the spaceship measure it to be)? 30) After a while, you (an observer on earth) notice 15 minutes have passed on the clocks of the spaceship. How much time has passes on your clocks (on earth)?