Talk:Hollow Earth

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Editorial notes
  • Article in it's current state completely lacks external links and references to groups attempting to promote this theory seriously.

"Perfectly well" ­— err, "with fairly normal gravity". MARCVS ANTONIVS 19:51, 29 July 2010 (UTC)

I think I got some links. ТyLonely. Ever so lonely. 13:15, 18 July 2011 (UTC)


I take it that means my math was correct? :D RJ 13:08, 18 July 2011 (UTC)

I'm no good with physics, actually...but the basic "Earth's mass would have to be really screwed up" theory works for me. ~ Kupochama[1][2] 13:14, 18 July 2011 (UTC)
I'm a physics minor, it looks okay to me, I'll check it over once I find some paper. ТyYarrr 13:17, 18 July 2011 (UTC)
There are some interesting ramifications about calculating gravity inside a hollow shell that might be worth going into if you like. It's indirectly relevant, but I'm more concerned about finding people advocating it first. ADK...I'll forage your bomb! 13:46, 18 July 2011 (UTC)
I found what might be some people and added them but they made my head hurt. You're going to make me break out the Mechanics II textbook aren't you? ТyTalk 13:47, 18 July 2011 (UTC)

gravity ain't mass[edit]

Okay, I believe that the Earth's solid, but I haven't been edumacated as some of you. If Newton's right, a tonne 20 km under me has about as much pull on me as, say, 90 000 tonnes that are 6000 km from me. 100 000 cubic km (about 100 km x 100 km x 10 km) within 20 km from under me, would have as much pull on me as 9 000 000 000 billion cubic km from 6000 km from me. So all that extra Earth mass that's a few 1000 km away from me doesn't have as much pull. Perhaps one day, I'll read the Wikipedia article on the Dyson Sphere and the RW article on Freeman Dyson.Civic Cat (talk) 18:46, 28 March 2012 (UTC)

What the hell are you on about? Just do the damn math, it's easy.ТyLonely. Ever so lonely. 18:48, 28 March 2012 (UTC)
I did. 6000 km / 20 km = 300. Square 300 and you have 90 000.Civic Cat (talk) 19:15, 28 March 2012 (UTC)
Where the hell are you getting these volumes? Volume and Gravity have zilch to do with each other. It's the mass product over distance squared times G. Тyeh? 19:31, 28 March 2012 (UTC)
Presumably the density of the Earth doesn't change significantly--say more than by a factor of 4--from crust to core. Volume x density = mass.Civic Cat (talk) 19:40, 28 March 2012 (UTC)
Actually it does by a factor of ~6. ТyYes? 19:42, 28 March 2012 (UTC)
Very well, 90 000/6 = 15 000. So the 100 000 cubic km slab near me has more gravitational influence on me than at least 1.5 billon (not 9 billion) cubic km of volume there.Civic Cat (talk) 19:55, 28 March 2012 (UTC)

Actually, actually[edit] of the exits is through the Book Repository on Dealey Plaza... and the Apollo Missions were not to the moon, but to the inner Earth. (talk) 18:16, 25 November 2013 (UTC)

Actually, actually, there is a hole in your toilet, which will allow you to jump into a deep underwater hollow earth and discover the magical city of Fo-Kang Bool Shet. Derp cat (talk) 19:35, 17 December 2015 (UTC)

Wasn't that in a Harry Potter novel? — Unsigned, by: / talk / contribs


Would the varying gravities of the Sun, the Moon, "and the rest of the universe" cause the various shells to move out of alignment and bash into each other? (talk) 17:08, 10 January 2017 (UTC)

In Kong[edit]

This was mentioned in the new King Kong movie. --Godonaldgo1 (talk) 06:44, 3 May 2017 (UTC)

Another question[edit]

Would there not be strange atmospheric effects and standing waves etc? Anna Livia (talk) 21:30, 25 August 2017 (UTC)

Flat Earth versus Hollow Earth proponents[edit]

What would the result of a discussion between them be? Would a Klein bottle or this be involved? Anna Livia (talk) 14:57, 23 February 2018 (UTC)

Categories of Hollow Earthers[edit]

  • The 'pre-geology and study of gravity period' - miners, users of caves (for whatever reasons) etc, sperlunking, finding large spaces and extrapolating/God or gods in the heavens and hell under us (the hell-centric view of the universe).
  • Fantasy writers looking for access to 'other-Earth' in the historical period between Fairyland and parallel universes/space travel.
  • The unscientific-writers.
  • The SF trope of 'persons who have forgotten they are in a spaceship' and similar

Could the term 'endoplanet' be used of the bodies within a hollow planet? Anna Livia (talk) 11:54, 24 April 2018 (UTC)