Forty-eight years ago today, Voyager 1 blasted off from Earth, beginning its epic journey through our Solar System and beyond. It’s still out there, over 25 billion kilometers (15 billion miles) from its home planet, hurtling through interstellar space at 61,196 kilometers (38,026 miles) per hour.

To celebrate the anniversary of the spacecraft’s launch, NASA’s Jet Propulsion Laboratory has released an archival video (below) of an incredible press conference given in June 1990 following the end of the mission’s planetary explorations.

Ed Stone, the longtime project scientist of NASA’s Voyager mission, shares some wise words, followed by a presentation by the man himself: Carl Sagan. The legendary scientist played a major role in the Voyager mission and was a key member of its imaging team.

The recently shared video shows Sagan unveiling the iconic “Pale Blue Dot” for the first time, a powerful image showing Earth as a tiny, fragile dot hovering in the vast emptiness of space.

“This is where we live – on a blue dot,” Sagan said. “That’s where everyone you know and everyone you have heard of and every human being who ever lived lived out their life. It’s a very small stage in a great cosmic arena. And again, just speaking for myself, I think this perspective underscores our responsibility to preserve and cherish that blue dot, the only home we have.”

Watch footage here