Traveling at speeds of more than 35,000 mph, the Voyagers travel about 900,000 miles farther from Earth each day, a distance equal to roughly 36 times Earth's circumference. In August 2012, Voyager 1 crossed the edge of the heliosphere, called the heliopause, venturing for the first time into the space between stars, where no spacecraft had gone before.⁠ ⁠ The mission has informed researchers that inside the heliosphere, Earth and the rest of the solar system are shielded from cosmic radiation and wisps of hot hydrogen and helium gases composing what's known as the Local Fluff—a series of massive clouds, each one several light-years wide, of interstellar medium through which the heliosphere is currently traveling. No longer cocooned by the heliosphere, Voyager 1 is currently exploring our interstellar backyard, measuring one of these clouds and searching the Fluff for clues to our origins, and those of nascent solar systems.⁠ ⁠ "We're not in a typical part of the galaxy, if there is a ...