NASA's Voyager 1, launched in 1977, is the farthest spacecraft from Earth and entered interstellar space in 2012, still sending back data.
Image Credit: NASA/JPL-Caltech
Voyager 1 launched after Voyager 2 but took a faster route, exiting the asteroid belt first and overtaking its twin on Dec. 15, 1977
Image Credit: NASA/JPL-Caltech
Voyager 1 was the first spacecraft to cross the heliosphere, where interstellar forces surpass the Sun's influence
Image Credit: NASA/JPL-Caltech
Voyager 1 discovered a thin ring and two moons around Jupiter, five moons and the G-ring at Saturn, and became the first human-made object in interstellar space
Image Credit: NASA/JPL-Caltech
Voyager 1’s final 64 images, taken from 40 AU, formed a solar system portrait showing six planets. Earth’s image became the famous “Pale Blue Dot,” part of the Voyagers' 67,000 total photos