1. Speaking of relatives, Luke and Leia are twins that wereseparated at birth. Luke spent the first 18 years of his lifefarming on a single, lonely planet. During that time, Leia traveledthe galaxy with her adopted family. She spent about 25% of the time(from Luke?s rest-frame perspective) on a spaceship traveling 95%of the speed of light. How old is Leia on Luke?s 18^thbirthday?

2. The Millennium Falcon is 35 m long when at rest. While flyingin an asteroid field, two asteroids pass in front of and behind theFalcon in opposite directions, just giving enough space for theFalcon to fit. According to observers on one of the asteroids, theFalcon passes through the space when the asteroids are only 5 mapart. How fast must the Millennium Falcon have been flying?

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5m 5m