4
6 points
A spaceship leaves Earth and heads to the space station. A scientist standing on Earth (behind the ship) says that the ship appears orange, but a scientist on the space station
(ahead of the ship) says that it appears green.
Which has a shorter wavelength? choose your answer...
How can the two scientists see two different colors, even though they're looking at the same light? This is due to choose your answer...
What is the most likely color of the spaceship? choose your answer...
I