A star is located 42.8 lightyears from Earth. A spaceship travels to the star with a speed of 0.9870c. If an astronaut aboard the spaceship is 21 years old when the spaceship leaves Earth, how old is she when she reaches the star: a) According to an observer on Earth? b) According to her?

icon
Related questions
Question
A star is located 42.8 lightyears from Earth. A spaceship travels to the star with a speed of
0.9870c. If an astronaut aboard the spaceship is 21 years old when the spaceship leaves Earth,
how old is she when she reaches the star:
a) According to an observer on Earth?
b)
According to her?
Transcribed Image Text:A star is located 42.8 lightyears from Earth. A spaceship travels to the star with a speed of 0.9870c. If an astronaut aboard the spaceship is 21 years old when the spaceship leaves Earth, how old is she when she reaches the star: a) According to an observer on Earth? b) According to her?
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS