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Communications of the ACM

ACM News

Nasa's Voyager 1 Explores Final Frontier of Our 'solar Bubble'

Voyagers exploring heliosheath

This artist's concept shows NASA's two Voyager spacecraft exploring a turbulent region of space known as the heliosheath, the outer shell of the bubble of charged particles around our sun.

Credit: NASA/JPL-Caltech

Data from Voyager 1, now more than 11 billion miles (18 billion kilometers) from the sun, suggest the spacecraft is closer to becoming the first human-made object to reach interstellar space.

From Jet Propulsion Laboratory/NASA
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