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Whose spacecraft first reached an interstellar environment?
Space explorationInterstellar space
Quick Answer
NASA’s Voyager 1 became the first human-made object in interstellar space in 2012. It crossed the heliopause after leaving the Sun’s bubble.
The Full Story
Voyager 1, launched in 1977, passed beyond the heliosphere into interstellar space in 2012. Scientists identified the crossing by changes in charged particles and magnetic fields. The spacecraft was originally designed to study Jupiter and Saturn, but it went on to make one of the most remarkable long-duration journeys in history. Voyager 1 still sends data back to Earth despite being over 150 astronomical units away.
Key Facts
1.Voyager 1 crossed into interstellar space in 2012
2.It was launched in 1977
3.It has traveled more than 150 astronomical units from the Sun
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Suggested video title for this topic:
"The spacecraft that left the Sun’s bubble and kept going."