With the Voyager probes in the news again -- they're finally on their way out of the solar system after more than 30 years of travel around planets near and far -- we thought it time to surface this video, which provides a recent update on the mission. Funded by NASA, the Voyager vehicles, two unmanned scientific probes, were launched back in 1977 with the charge to explore the gas giants. To this day, almost everything we know about those planets comes from Voyager.
"We knew we were on a journey of discovery when we launched the Voyager spacecraft," said Ed Stone, a Voyager Project scientist, "but we had no idea how much there was to discover." Among the discoveries, which are explored in great detail in the video, which is embedded below: volcanoes erupting on Io, one of Jupiter's moons, and geysers on Neptune's moon Triton, where temperatures are just 40 degrees above zero.
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