In 2012, NASAs Voyager 1 probe became the first manmade object to leave the solar system, catapulting itself into the farthest reaches of the universe ever touched by humans — or, it didnt. Determining the exact borders of our solar system proved controversial. Now, though, we know NASAs position on the subject: although the probe has yet to leave the solar system, its entered interstellar space, a part of the universe the human race has never reached. The sun emits a magnetic field around itself, which is known as a solar bubble and encases the heliosphere, a magnetic sphere that is arguably the edge of the solar system.
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