Network: Galactic


Intergalactic space travel seems exiting doesn't it? However, the reality is that even with current or futuristic technology intergalactic travel would take a very long time. Galaxies within our local group are millions and billions of light years away, meaning it would take millions and billions of years to reach them if we travelled at the speed of light. Galaxies outside our local group are not gravitationally bound to our own group, this means they will continue to accelerate away from us, in essence we would forever travel into 'nothing' trying to reach them.

However, what if there was an easier way? In 1916 Einstein's theory of general relativity boldly predicted the existence of black holes. Whilst scoffed at by many at the time, he was later proved correct! General relativity also predicted the existence of wormholes!

Lets suspend disbelief for a moment and assume the following:

1: String theory is proven correct and strings existed primordially.

2: Black holes also existed primordially.

Sting theory was previously described in "Gravity" but in essence this theory describes every particle (building block of life) as a tiny vibrating string in space. Now imagine one of these strings threaded its way through two primordial blackholes at the beginning of time. After rapid expansion of the universe we can assume these black holes will therefore still be connected through space, possibly millions, billions or even trillions of light years away from each other!

Should a string connect to black holes together a stable traversable wormhole is created

These strings are known as cosmic strings and are under so much tension that topological defects are created through space. These defects are caused by the negative mass properties associated with the tension inside the string. In fact, these strings are under so much tension that one kilometre of such a string possesses the entire mass of Earth!

This negative mass counteracts the infinite gravitational pull of black holes. Should this string be threaded through two black holes then a stable traversable wormhole is created.

Overtime primordial black holes would have likely grown and eventually become supermassive in size. They possibly may have become a galactic black hole connecting millions of star systems together, much like sgr A the milky ways central supermassive black hole.

If multiple black holes have been connected then essentially we could have a train like network of traversable wormholes. So imagine in the future what such a network may look like:


Much like our own London Underground perhaps in the future we may have a network connecting galactic black holes together? 

If this was all possible where would you visit? Perhaps you would like to take a local trip to Sgr A? You could witness the last red dwarf stars on the inner galaxy be consumed by our supermassive black hole. Perhaps your feeling adventurous and would like to explore Andromeda or even Triangulum? Perhaps whilst you are there you can catch the long range galactic interlink? Here you could capture your own personal photograph of the infamous M87 black hole, rather than relying on telescopic data. Perhaps you could go right to the end of the line and explore the mysterious shapely supercluster? Here you could sunbathe in the tight gravitational pull of trillions of galaxies. Perhaps you may even visit GN-z11? Believed to be one of the first galaxies ever created in the known universe. Anything is possible with Network: Galactic.


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