Voyager 1 ‘intercepts’ a ghostly song

From 25 billion km away, Voyager 1 catches a song in the space

Have you ever thought about hearing a song coming directly from space? Well, that’s what happened, when the Voyager 1 probe intercepted a message which came from 25 billion km's away from Earth.  Many thought it was some kind of operational command or even a historical novelty, but reality surprised everyone when scientists came across a song. While Voyager 1 was launched in 1977, it crossed the heliopause and entered interstellar space on 25 Aug, 2012. NASA launched Voyager 1, the most distant human-made object from Earth, with an objective in mind: To study the outer Solar System and the space beyond the Sun’s heliosphere. And recently, it has discovered a ghostly song that has been traced back to a whisper spanning over 25 billion km. But where could this whisper be coming from? 

Before we can decipher what this music was that was intercepted and if it had any meaning, we need to look at the object that made all this possible: Voyager 1. Ideally, Voyager 1 was designed to pick up powerful events and occurrences that happened within our universe at an observable distance, but for this technological piece of ingenuity to pick up an unknown “whisper”, this meant that the sound was extra important. At this junction, astronomers and scientists began to unravel the mystery of this “whisper”. First, it managed to fly over Jupiter and Saturn, until it passed what experts call the heliosphere, which is nothing more than the region of influence of our Sun, and then it ventured into interstellar space. For the sake of context, “ghostly song” was only used to explain an eerie sound which is mysterious, non-standard and resembles music. Within the fabric of our cosmos, several unusual phenomena take place without an explainable origin or form. Their forms can range from interstellar formations to exoplanetary expansion and lots more. It is important to understand that the “whisper” in question is not similar to cosmic noise or ethereal malfunction. It is something with a structured song-like quality, like a silent sound from the hollows of our never-ending cosmos.

It is already very far from us, we are talking about 24.8 billion km's from Earth, which is more than 166 times the distance between the Earth and the Sun. According to the ECO news it is worth remembering that no other object created by us is further away. To understand how enormous this distance is, special illustrations need to be examined to get the full picture. By earthly standards, this distance is approximately 15.5 billion miles. 15.5 billion miles seems almost too impractical to even conceptualize if it is to be fulfilled on foot. In an airplane, it will take approximately 25+ years of continuous flying, no stops, no refuelling to be able to cover the distance. This is how enormous 25 billion km (15.5 billion miles) is. This distance can be converted to (≈ 168 astronomical units). This is the staggering distance that Voyager 1 is masterfully traversing and providing astronomers on Earth with vital information about happenings beyond the confines of our planet, just like the discovery of a cosmic crash which could make the universe wobble.

Just to give humanity a glimpse of what is happening beyond the confines of Earth, it is important to give context and perceptual meaning to the efforts of astronomers who are working tirelessly behind the scenes to acquaint humanity with the unknown. This “whisper” is just not a song but a signal. It’s a message reaching the very edge of human reach where silence reigns. All this distance becomes a challenge for sending messages back and forth. Just to give you an idea, any radio signal sent from us here on Earth to there takes about 23 hours to reach. Of course, in addition to all this distance, Voyager 1 is already old, operates with limited systems and an antenna of only 3.7 meters, but it remains firm in its mission of receiving and sending signals. It was with this in mind (and through it) that ESA decided to do something special, and that is where music comes into play. While Voyager 1 is a multi-complex and advanced piece of space equipment, no man-made equipment can reach the depths of space without facing one or two problems along the way. Some of these problems include:-

Voyager 1 is an old piece of technological marvel, and while it comes with its unique perks, the inevitable reality of slow aging is irrefutable. It alludes to the fact that nothing lasts forever in the celestial zone.

Out here in the vast expanse of space, every unit of power matters. While it is intuitive to create instruments which can last for long beyond the reach of humanity, power restraints still seem to be a major problem.

You might be wondering: what does ESA have to do with this intergalactic music thing? Well, it wanted to pay tribute. That’s because on 1st June, the agency turns 50 and, along with that, it also turns 200 years since the birth of composer Johann Strauss II. In other words, they combined business with pleasure and transmitted a live performance by the Vienna Symphony Orchestra directly into space, and of course, the probe responsible for this was Voyager 1. Is there a possibility that an alien choir is whispering sounds in the vast expanse of our cosmos? The concept of 25 billion km to humanity seems almost impossible. But when it comes to the topic of cosmological discovery, this distance seems normal, yet Voyager 1 continues to bridge the gap between our world and the unknown, just like this strange thing being tracked by NASA, watching our planet.