WHAT IF WE BUILT A RINGWORLD IN SPACE ?

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                                                           The earth may not be our home forever.Eventually, we may have to leave.What if instead of finding a potentially habitable exoplanet light-years away,we stay in our solar system and built a habitat so enormous we could never overpopulate it? Here's what would happen if we built a ringworld in space. 

                    Imagine you lived on a ring with a radius of 150 million kilometers encircling the sun.A gigantic artificial world with it's own gravity,ecosystem and atmosphere.Big enough for trillions of human to call home.You'd live on an enormous landmass on the inner side of the ring.The outer shell would protect you and all those trillion of people from the hazards of outer space.Main problem is,assembling such a thing and suspended out in the solar system  wouldn't be easy.you couldn't just pull the earth  apart and having an army of robots reassemble it into a ringworld.Among the many problems you'd run into,you first would be find materials.The international  space station roaming the earth's lower orbit right now weight about 420 tons.

                   something like ringworld  would tip the scales at no less than a million tons.Where would we find all this materials?I know some places.
The kuiper Belt beyond the orbit of Neptune would do just fine.This ring bodies stretches out for almost 3 billion km.Some astronomers think the Kuiper Belt would have enough materials for this project,but it's hard to tell exactly how much  we'd need to construct a strip like this.We might have to sacrifice all the planets,moons and asteroids in the solar system.


              our ringworld and the sun would be the only thing left.if we could manage to gather and transport all the materials available,then construction would begin.It will take a lot of physical labor,an army of robots and maybe hundreds of generations to realize that our structure was not stable enough.Because  the megastructure would turn out so enormous, it would break any known molecular bonds.We don't have to find a way to make use of one of the fundamental forces of nature,the strong nuclear force.Of all forces,it's the grippiest.It bonds material on the scale of atomic nucleus,so that nothing can break it aprat ot maybe we'd come up with a new super-strong materials altogether.But until we figure that out,every interstellar body passing through our solar system would be a threat to our megastructure.

            The next thing we have to worry about is gravity.That part is pretty easy.We'd just have to spin the ringworld at nearly 2,000.000km/h.I know that's really fast.We'd have to build up the speed over time.Luckily maintain it in the frictionless  environment of space wouldn't be hard.Such rotation would generate centrifugal force,and that,in turn,would create an artificial gravity equal to the one we have on earth.With gravity solved,we'd bring in the atmosphere an start populating the ringworld .For the inhabitants of the megastructure it would always be daytime.Unless we create a day and night cycle with extra panels inside the ring.

           But for all the epiness of the world we created,it would't be stable.A single asteroid strike could cause the structure to drift closer to the sun.A hole punch through the ring could let all our atmosphere out.And a massive solar storm? don;t even get me started on that one.One failure inside the ring could doom the entire structure together with it's inhabitants.It's just too risky to build it around the sun. we might have  better luck  with a huge ring space station in the earth's orbit.But in the future scientist would find solutions for the those problems mention above
                



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