A schematic showing the heliosphere and the interstellar medium (IMAGE)

European Geosciences Union

A schematic showing the heliosphere and the interstellar medium

Caption

Scientists plan for the Interstellar Probe to reach 1,000 AU -- 1 AU is the distance from the sun to Earth -- into the interstellar medium. That's about 10 times as far as the Voyager spacecraft have gone.

Credit

Johns Hopkins APL

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