Only one thing is certain. Some day a giant metal ship will take off from earth to travel through the black velocities, the silent gulfs of space, to descend at last into the darkness of the upper Martian atmospheres.
19 seconds sound clip from the X Minus 1 - Mars is Heaven by Ray Bradbury classic radio dramaseries.
You can hear this line at 00:01:38 in the radio play.
Quote context
[...]
- The National Broadcasting Company presents... X-Minus-One.
- Tonight's story, Mars is Heaven.
- Intelligent life in some strange form that we can only imagine.
- Will we be welcomed with open arms? Or will the Martians treat us as invaders?
- And on that day, man will finally know the answers, the day we first land on Mars.
(COMSTAT BEEPING and BOSUN's WHISTLE)
- There it is. We've intersected the course vector, sir.
- All right, Mr. Lustig. Over to manual control.
[...]