Beethoven Hard Science A Spacecraft Launched 39 Years Ago Has Human Sounds Onboard — Now We Can Listen Carl Sagan was one of the people who helped shape this recording that might just end up in the hands of some other beings, somewhere out there.
Hard Science A Spacecraft Launched 39 Years Ago Has Human Sounds Onboard — Now We Can Listen Carl Sagan was one of the people who helped shape this recording that might just end up in the hands of some other beings, somewhere out there.