You Are on Mars Standing on the Gangplank of Your

question 19

Multiple Choice

You are on Mars standing on the gangplank of your spaceship when you see an identical spaceship go past Mars at 90% of the speed of light.When you look closely at this spaceship,how does it compare with your own spaceship?

• A) The moving spaceship appears to be shorter than yours, and time on it appears to move more slowly than on your ship.
• B) The moving spaceship appears to be shorter than yours, and time on it appears to move more quickly than on your ship.
• C) The moving spaceship appears to be longer than yours, and time on it appears to move more quickly than on your ship.
• D) The moving spaceship appears to be longer than yours, and time on it appears to move more slowly than on your ship.