The spacecraft, launched 36 years ago, has now become the first man-made object to leave our solar system. These vintage pics show the details of the spacecraft — including that famous Golden Record created by Carl Sagan.

The spacecraft still in construction at JPL in 1977.

MPI / Getty Images

Before Voyager's launch, technicians worked on test models like this one.

SSPL / Getty Images

Here's Voyager 1 at Caltech before making its way to the Kennedy Space Center for launch.

Space Frontiers/Archive Photos / Getty Images

Here, Voyager 2 gets outfitted with a Golden Record called "Sounds of Earth."

Time Life Pictures/NASA/Time Life Pictures / Getty Images

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A Look At Voyager In The ’70s Before Its Launch

The spacecraft still in construction at JPL in 1977.

Before Voyager's launch, technicians worked on test models like this one.

Here's Voyager 1 at Caltech before making its way to the Kennedy Space Center for launch.

Here, Voyager 2 gets outfitted with a Golden Record called "Sounds of Earth."

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