Forty years after blasting off, Earth's most distant ambassadors -- the twin Voyager spacecraft -- are carrying sounds and music of our planet ever deeper into the cosmos. Take a look back to the making of the Voyager records In these August 1977 photos.
Gold plating took place on August 23, 1977 for Voyager record.
The etching process for the Voyagers golden record of the sounds of Earth.
Lacquer masters of the records were sent to the James G. Lee Record Processing center in Gardena, California.
The records had the inscription "To the makers of music – all worlds, all times" hand-etched on its surface.
The record's cover is aluminum and electroplated upon it is an ultra-pure sample of the isotope uranium-238. Uranium-238 has a half-life of 4.468 billion years.
A record is prepared for the Voyager mission.
The record is constructed of gold-plated copper and is 12 inches in diameter.
A look at the Voyager golden record cover.
The Voyager golden record with its sounds and songs prepared for distant civilizations.
The shiny golden record before it was mounted to Voyager.
The golden record is mounted on one of the twin Voyagers in August 1977.
Engineers work on NASA's Voyager 2 spacecraft in March 1977.
Voyager 2 is hoisted to its launch vehicle at Cape Canaveral in August 1977.