It is one of humankind's greatest achievements. More than 12 billion miles away a tiny spaceship is leaving our Solar System and entering the void of deep space - the first human-made object ever to do so.
Is it humankind's greatest achievement? 12 billion miles away a tiny spaceship is leaving our Solar System and entering the void of deep space. It is the first human-made object ever to do so. Slowly dying within its heart is a plutonium generator that will beat for perhaps another decade before the lights on Voyager finally go out. But this little craft will travel on for millions of years, carrying a Golden Record bearing recordings and images of life on Earth. In all likelihood Voyager will outlive humanity and all our creations. It could be the only thing to mark our existence. Perhaps some day an alien will find it and wonder. The story of Voyager is an epic of human achievement, personal drama and almost miraculous success. Launched 16 days apart in Autumn 1977, the twin Voyager space probes have defied all the odds, survived countless near misses and almost 40 years later continue to beam revolutionary information across unimaginable distances. With less computing power than a ...Written by
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With all the horrors and depressing events going on currently in the world, it is refreshing to be reminded of a human endeavour that was wholly positive in outlook and execution. The Farthest is the story of the two Voyager space crafts which were launched way back in 1977. These probes were tasked with two objectives – to explore the outer planets and to carry messages to other potential life forms deep into interstellar space. At one point in the late 70's it became possible for this mission to be possible, a time which occurs approximately once every 175 years where Jupiter, Saturn, Uranus and Neptune are aligned in such a way as to allow a space craft to travel between them using the gravity of one to propel it onto the next. This window of opportunity was grabbed and NASA formulated the Voyager programme, with Voyager 1 navigating the first two giant planets and Voyager 2 following behind but adding the final two to its trajectory.
Its genuinely quite an incredible story. Especially when you remind yourself that this extremely complex, technical and frankly unprecedented undertaking was achieved using mid 70's technology. In 2012 Voyager 1 became the first man-made object to leave our solar system and reach interstellar space, having orbited all four of the giant planets taking a series of incredible pictures of them and their moons. It achieved this with computer memory a tiny fraction of what can be found in a modern smart phone. Its bordering on a miracle that this mission was achieved, especially when you learn that certain moments were executed with split-second accuracy, a fracture of a second more would have led to destruction, such as the moment where the probe was propelled between the atmosphere of Uranus and one of its moons. It's all the more impressive when you discover that the probes were re-programmable via communication with a craft which over a billion miles away. It was in summary one of the greatest undertakings humans have ever executed.
The documentary takes a fairly traditional talking heads format where we hear recollections of various scientists involved in the programme. Its these moments themselves which add a considerable amount of emotional weight to proceedings, making it clear that these space probes were ultimately far more than scientific equipment, they represented something far more and quite wonderful. It's not just the scientific angle of the mission but also the philosophical, such as the moment late in the mission that the cameras were reversed to look back at Earth which was now a pixel, making it clear how small we are in the universe while simultaneously making us realise that we need to look after our small planet as this little dot on a picture is all we have. There is some considerable detail given to the golden record, which contains the music, sounds and imagery of Earth. The music ranged from Mozart to Chuck Berry (with The Beatles foolishly refusing one of their songs), the imagery constitutes about one hundred pictures which attempted to convey the world as much as possible. This alien contact element of the mission was unsurprisingly given a lot of publicity at the time but it is only now that the probe has finally left our galaxy that this has become the whole mission. But really, the imagery of the four mysterious giant planets is the real pinnacle of the Voyager missions and the incredible imagery that it captured remains quite extraordinary. These probes will more than likely hurtle onwards through deep space at 10 miles per second for billions of years long after our planet and sun are gone, and that says it all really.
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