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reactordevyesterday at 3:35 PM5 repliesview on HN

If you really wanted to go for realism, there would be NO GRAVITY at the core. :P

As you dig down you would get lighter and lighter on your feet.

Any mass you are below (within the sphere of Earth) will exert a gravitational pull in one direction, while the mass above you (also within the Earth) will exert an equal and opposite pull.


Replies

hdjrudnitoday at 6:37 AM

If earth was just full of water.... as you swam deeper and deeper there would be more and more pressure upon you. Would there be a point where that pressure would start to lessen as the water is pulled in all directions?

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b3lvederetoday at 8:59 AM

Just a thought; I do wonder in reality if there is an actual single physical point that has any form of material but totally zero gravity. I think anything, as longs its size is above the planck length, has some gravity.

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lsaferiteyesterday at 3:47 PM

Yeah, I'm mostly aware of that. Weird didn't mean 'wrong' in this case, just weird for a terrestrial-bound human. :)

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nomdeptoday at 12:24 AM

If you REALLY want to aim for realism, gravity should depend on all quads on the planet. So, if you were to build a huge floating island, the gravity between it and the planet would be less than the usual

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ricardobeatyesterday at 3:45 PM

That's how it's implemented in the game!