In 1977, the Voyager 2 probe was unveiled and has identified a rise in the cosmic rays which arose of the outside of the solar system standing for that it is near the universal space.  In a statement, NASA told that after the exit of Voyager 2, in the outward layer of the heliosphere a large amount of bubble surrounding the planets and Sun ruled by the solar magnetic fields and material has been seen. After Voyager 1, it is the second human-made space object to making the entry in the universal space.


Voyager 2 is little less than 17.7 billion km away from the earth and it has more than 118 times distance from earth to the sun. For visiting all giant outer planet – including Jupiter, Saturn, Uranus and Neptune, this is the only spacecraft.

The scientists of the Voyager have been looking for the spacecraft to arrive at the outward border of the heliosphere which is known as the heliopause. Ed Sone the project scientist of Voyager from NASA ’s, at the Jet Propulsion Laboratory in Pasadena of California, said, “ We are seeing a change in the environment around Voyager 2, there is no doubt about that”.


Since the end of  August , the instrument “Cosmic Ray Subsystem” has evaluated about five percent in the amount of cosmic rays affecting the spacecraft comparably with earlier August.

The Low Energy Charged Particle instrument  of the spacecraft recognized a similar rise in the high -energy cosmic rays.

Stone added, “ We are going to learn a lot in the coming months, but we still don’t  know when we will reach the heliopause. We are not there yet – that is one thing I can say with confidence”.

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