> Looking behind, the landscape turns to black as the light can't catch up to the boat.
That's not the reason the rear view turns black. Light always travels at the speed of light relative to you. The reason the rear view turns black is that the light is red-shifted into the infrared, which human eyes can't see.
That's not the reason the rear view turns black. Light always travels at the speed of light relative to you. The reason the rear view turns black is that the light is red-shifted into the infrared, which human eyes can't see.