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Where did the first spacecraft to leave the Solar System cross into interstellar space?
Quick Answer
Voyager 1 crossed into interstellar space at the heliopause. That happened in August 2012.
The Full Story
Voyager 1 became the first human-made object to enter interstellar space when it crossed the heliopause in August 2012. It was launched in 1977 and has traveled far beyond the planets. Scientists identified the crossing using changes in charged particles, cosmic rays, and plasma data. Voyager 2 later crossed the heliopause too, giving a second viewpoint on the boundary.
Key Facts
1.Crossed the heliopause in August 2012
2.Launched in 1977
3.First human-made object in interstellar space
YouTube Angle
Suggested video title for this topic:
"Voyager 1 left the Solar System’s bubble and entered interstellar space."
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