I agree with the alien thing - it's long been said the radio wave noise coming from our planet is huge. However, the astronaut at the end is on the Moon (think of the Lunar Rover), so the Earth is 'one more [planet] over'. Mars is the the red planet with 'canals' (they're quite famous).
I agree with the alien thing - it's long been said the radio wave noise coming from our planet is huge. However, the astronaut at the end is on the Moon (think of the Lunar Rover), so the Earth is 'one more [planet] over'. Mars is the the red planet with 'canals' (they're quite famous).