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Welcome to Newmars ROBOT,
Natural disposal is just falling out of orbit but the debri and of its near collisions are very real for men that are working in LEO. The satelites may be in a high orbit but the fuel to station keep them there will run out in time.
Even astronomers complained that they would show up in photos of the stars, so space x has colored them black in hopes that it will do the trick.
Whoops, forgot about atmospheric drag. I must have missed it, but the first article I linked said that the satellites were put in an orbit "low enough to get pulled down to Earth by atmospheric drag in a few years so that they don't become space junk once they die." Even the International Space Station needs regular boosts to a higher orbit as compensation for atmospheric drag.
Is Kessler Syndrome still possible and/or dangerous then? Even if the space junk clears up in time due to atmospheric drag, it could still take out communication and GPS satellites, as well as temporarily inhibiting space travel beyond LEO.
According to this article, SpaceX hopes to launch as many as 12,000 small sized satellites as part of the project. That sounds like a lot of space junk... I hope Elon Musk has a plan to dispose of all the satellites when they eventually burn out.
Here's a good article on the dangers of space junk and how it could even effect us:
bigthink.com/paul-ratner/how-the-kessle … odern-life
I don't know if anyone's mentioned this yet, but after the initial setup period the colonists could begin to grow cultured meat. To quote Wikipedia:
Cultured meat is meat produced by in vitro cell culture of animal cells, instead of from slaughtered animals.
In other words, meat grown from cells in a vat. This way, the colonists don't have to actually bring any animals with them, but can still have meat in their diets. This is in my opinion the best solution.
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