Voyager 1 leaves the solar system

         

                 Located on the edge of our solar system, it is likely that Voyager 1 spacecraft to cross the border to interstellar space sooner than scientists expected, according to data from the Voyager, and the Cassini instrument, currently studying Saturn and its natural moons. 

                 This milestone, which marks the event leaving the field of influence of the Sun, in the absolute premiere of an object created on Earth, could thrust deep into the conquest of space history at any time from now. According to the latest estimates of the astronomers, this will happen in late 2012

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                 Voyager 1 is getting away from the Sun with a speed of 182.648 km / h. One kilometer in 0.019 seconds. This means that it may surround the Earth in less than 15 minutes. At such a speed, the probe travels a distance of about 1.6 billion miles every three years. Now it crosses the marginal heliosphere, a region that marks the outer boundary of the huge bubble of charged particles that emanates from Sun. 

      

          Since astronomers do not know the exact thickness of this portion heliosphere, they can not pinpoint exactly when the Voyager probe will exceed this boundary, known as the heliopause - the sphere of influence between the Sun and interstellar space. 

          According to new data from aircraft, this limit would extend to a distance of 17.6 billion km from the Sun. So, at this time, Voyager 1 is at a distance of 17.28 billion km from the star that gives us heat and light, it can very well overcome the barrier to the universe at any given time.

                 Voyager 2 probe is about 14.5 billion kilometers away, so will go into interstellar space after its twin. Voyager aircrafts were launched in 1977, during a trip planned for decades through the solar system, took pictures and performed various measurements of Jupiter and Saturn systems, along with Uranus and Neptune.

                  Researchers should be able to precisely specify when Voyager 1 will pass the interstellar region, because the probe should record a sharp drop in density of charged particles in the heliosphere and an increase in neutral particles from interstellar plasma . However, nobody can say what will happen when Voyager 1 will cross the border. But apparently we do not have to wait long. 
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