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Re: (TFT) hollow Cidri
At 03:41 PM 2/4/2006, you wrote:
And the planed third post would introduce the concept of a
"gravity corona" with appropriated descriptions and supporting
arguments. Instead I just submit the pure math here in the form of
an algorithm. In my gravity lab program the following works. And
elegantly at that.
d := DistanceSqr(p1,p2);
d := d - (p2.corona_radius * p2.corona_radius);
d := 1/d;
d := d * p2.mass * GRAVITY_CONSTANT;
Then just normalize and apply to the vector. Of course one
could also just subtract the corona from the distance before taking
the square.
Instead of subtracting the square of the corona. Either way. All
physics would behave properly. From the moon staying in it proper
orbit to apples hitting the ground at the right speed. That and the
surface tension of water will be what we are used to.
The neatest by product of this is that objects near the center
are drawn outward. Just as suggested people will be able to walk
along the inside of the hollow earth. What a coincidence it is
that I happen to be working in the area planet creation and stable
solar systems. At this point I can make no informed comment on tides though.
David Michael Grouchy II
Hi David,
I must admit, I find your math as clear as the plans for a
nuclear reactor! :-D The problem is my ignorance, not your ability.
However, I find the hollow Cidri idea intriguing so here is a question for you.
If the physics of Cidri allows the surface inhabitants to be
Earth-like in all respects, how would the inhabitants of the core be
affected, assuming of course they could live in the hollow core.
Would their "gravity" be stronger or weaker? I would think it would
be stronger since the "surface of the inner core would be much less
than the outer surface. Should they decide to invade the outer world,
what would our intrepid characters be facing?
Man! I made a TFT post! I feel rejuvenated!
David aka Nocstar
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