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NASA confirmed Monday (10) that the Voyager 2 probe had left the solar system. The object became the second, created by humans, to arrive in interstellar space. The first was his predecessor – Voyager 1 – of September 2013.
To reach this stage, the spacecraft had to emerge from the heliosphere, a protective bubble of particles and magnetic fields created by the Sun. On November 5, the time at which the craft would have crossed the outer edge would have occurred.
"There is still much to be learned about the region of interstellar space immediately beyond the heliopause."
Ed Stone
Voyager Project Scientist
The main evidence of this feat is the experience of Embedded Plasma Science (PLS). The instrument consists of using the electric current of the plasma from the Sun to identify the speed, density, temperature, pressure and flow of the solar wind. Since last week, particle speed has dropped considerably.
"Voyager occupies a very special place in our heliophysics fleet.Our studies begin at the Sun and extend to all that the solar wind touches." Ask travelers to send information about the Sun's influence limit gives us an unprecedented glimpse of a truly unexplored territory. "
Nicola Fox
Director of Heliophysics Division at NASA Headquarters
NASA s 39 was already waiting for the probe to be close to interstellar space since early October.
According to researchers' estimates, Voyager 2 will lose contact with the base only in 2030. Until then, the satellite will still be able to send a lot of information to the space agency
What do you think you from this NASA space prowess? Tell us in the comments below.
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