International space agency NASA launched its tiny interplanetary probe Voyager 1 towards space on September 5, 1977 to observe the outer planets and the mysterious interstellar medium that lies beyond the solar system. Although few months ago some reports were published saying Voyager 1 has left the solar system, but at then NASA denied. But now NASA has confirmed that Voyager 1 has finally left the solar system.
Voyager 1 spacecraft was in space for more than 36 years. Since last summer, it has been exploring uncharted territory where the effects of interstellar space, or the space between stars, can be felt. At then scientists didn’t know how thick this new found region in the solar system was or how long distance Voyager 1 has to travel to break to the other side.
Last August after Voyager 1 crossed into an “unexpected zone,” low-energy charged particles that had been plentiful suddenly zipped outside while high-energy cosmic rays from interstellar space streamed inward. Readings by one of Voyager 1′s instruments showed an abrupt increase in the magnetic field strength, but there was no change in the direction of the magnetic field lines – a sign that Voyager 1 wasn’t exited the solar system.
But as soon as Voyager 1 exited the heliosphere, NASA has confirmed that Voyager 1 has left the solar system. For more details, hit the source link below.