[News & Analysis] Planetary Science: It's Official—Voyager Has Left the Solar System

Science 13 September 2013:
Vol. 341 no. 6151 pp. 1158-1159
DOI: 10.1126/science.341.6151.1158 Planetary Science After 36 years of hurtling toward the edge of the solar system, the Voyager 1 spacecraft—its sensors failing, its energy running low—has crossed into the abyss of interstellar space. At least, after long disagreements, that is now the consensus view of Voyager mission team leaders. The space physicists' edge of the solar system "is not your usual planetary environment at all," says heliophysicist George Gloeckler, a Voyager team member since the 1960s. Even modern computer simulations could give no warning of the confusing weirdness Voyager 1 has encountered.

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