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Launched in August 1977, Voyager 2 and its sister probe Voyager 1 were sent by NASA to explore the outer planets of our solar system.
Both probes worked well and sent valuable data, with their journey taking them out of the gravitational influence of the solar system in 2018 and into an area of space known as the interstellar medium.
In March 2020, NASA lost contact with Voyager 2 when it undertook repairs and an upgrade to an antenna known as Deep Space Station 43, in Canterbury, Australia, which had followed the probe.
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Eager to reestablish contact and with the antenna working again, NASA sent a signal to Voyager 2 hoping it could reestablish contact with the probe and after waiting 34 hours for a response, Voyager 2 said ‘hi ‘.
The two Voyager spacecraft could remain in contact range until about 2036, depending on how much power the spacecraft still has to transmit a signal to Earth.
Both Voyager 1 and 2 have a time capsule on board, intended to communicate a history of our world to extraterrestrials in case the probes were to be “captured” and examined.
Voyager’s message is carried by a phonograph recording, a 12-inch gold-plated copper disc containing selected sounds and images to represent the diversity of life and culture on Earth.
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