Voyager Ready to Go into Space Between Stars

After more than 30 years left of Earth, two NASA satellites twin Voyager has now reached the end of the solar system. Both satellites are in fact its main mission had ended in 1980 and 1989 and was now ready to enter the space between stars (interstellar space).
"It's incredible," said Ed Stone, Voyager Project Scientist from California Institute of Technology who has been monitoring the Voyager mission since 1972, as quoted from Cosmosmagazine, May 2, 2011. "During this time, Voyager 1 and 2 are always generate new discoveries. Any findings change our perspective on other worlds, "he said.
A number of findings revealed by the Voyager was the discovery of volcanoes on Io and the evidence of the ocean beneath the surface of the ice moon Europa (both owned by the planet Jupiter) of methane rain on Titan (moon of Saturn), a strange magnetic poles of Uranus and Neptune, fountain containing ice in Triton, Neptune's moon, planets and the winds blew away the more tightly when the planet from the sun.
No one knows exactly how much the distance that must be taken Voyager to arrive in interstellar space. But some researchers believe that the end of the solar system is imminent.
"Heliosheath thickness (region in heliosphere in position after the point of termination shock where the wind speed dropped to below the speed of sound) is estimated at 4.8 to 6.5 million kilometers," said Stone. "That is, the Voyager will exit the solar system within the next 5 years," he said.
Fortunately, there is still enough energy to make the trip. The two Voyager satellites still get power from the heat of radioactive decay of Plutonium 238. "Battery" is estimated to be enough to provide energy at least until 2020. After that, says Stone, Voyager will be the planet Earth among the stars.
For information, each satellite is equipped with the Voyager Golden Record, a gold-plated copper phonograph record. The tape contains 118 photographs of planet Earth, the world's best music recording 90-minute, audio essays that consist of various sounds on Earth began from the explosion of mud, barking dogs, until the sound departure Saturn 5 rocket, greeting the introduction of the 55 human language, a whale language, brain wave scheme of women who are in love, and greetings from Kurt Waldheim, UN secretary general at the time.
"Billions of years from now, when the planet Earth and continents that have been changed completely, when all living species have been mutated or extinct, the Voyager record will continue to 'talk' to us," said a message on the Voyager record.
However, some observers say, the possibility of aliens found the Golden Record is very small. Because the satellite Voyager will not reach a distance of several light-years away from the other stars up to 40 thousand years.

Source vivanews.com

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