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Originally Posted by After Shock Media
No I did not learn physics in shcool, I was taught them in school.
This is a hypothetical question of course. One that would depend on geology as well as physics. I have no clue as to what pressures cause one rock to be pressed into another and so on. So alas I was thinking along the lines of a rock type planet. There has to be a maximum size one could be before it could not support its own weight.
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Ok I had a thought ... I think you're looking at this wrong.
As the planet gets bigger ... ie more "rock matter" is added to it, its gravity will increase. As the gravity increases it will continue to become more dense (and possibly smaller in "size"?), although its' increased gravity will also cause more matter to be pulled to it, and the cycle continues. Would the planet actually continue to get "bigger" in "size" though? Or would it's density simply increase at an alarming rate until it becomes a black hole? Or would it reach a "size" where it would become unstable for some reason... perhaps if it wasn't dense enough?
Lol
<-Not quitting my day job.
-P