Thirty-six years after NASA's Voyager 1 probe rocketed away from Earth, the plutonium-powered spacecraft has left the solar system,and is now cruising 11.5 billion miles away in interstellar space, NASA said on Sept. 12, 2013. (Source: xinhuanet.com/photo)
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Voyager 1 becomes first man-made object to leave solar system: NASA
WASHINGTON, Sept. 12 (Xinhua) -- U.S. space agency NASA said Thursday that its Voyager 1 spacecraft has become the first human- made object to venture into interstellar space.
New and "unexpected" data indicated 36 years after it was launched, Voyager 1 has left the heliosphere, the bubble of hot, energetic charged particles surrounding the Solar System, and entered into a region of cold, dark space, known as interstellar space, NASA said. Full story
