The two Voyager space probes that NASA sent to investigate our solar system, a long time ago, have now reached the outer boundaries of our solar system. The space probes have travelled past the outer planets and asteroid belts as well as scattered disc and is now entering the boundary between interstellar space and our solar system, called the heliosphere, a protective "bubble" generated by Sun's magnetic field. The area where interstellar radiation hits the heliosphere forms the bow shock.
As previously tought, the boundary is smooth and clear line, is now proven to be wrong. Aparently, the Heliosphere and interstellar particles create a boiling like effect and the boundary is in constant turmoil, much like when warm water mixes with cold water, it creates swirls and bubbles. It is not yet clear if this is bad or good thing. But, as the probes enter deeper into space, the more information we get about the heliosphere and its effect.
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