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Originally posted by Mr.Noman
The hollow earth theory has many valid points and should be well researched (like all things of course....) before coming to any strict conclusions.
That said, this is a site for conspiracy theorists and the like and while I'm not in any way saying it is my or anyone else place to say so ,except for the webmasters of ATS, I really think that all of these debunkers that are flooding the gates of this site should discuss their topics at skeptic.com or skepticnews.com...somewhere that makes sense to have such views.
Originally posted by Mr.Noman
Just a an observation here, but is it just me or is ATS becoming full of nothing more than so called debunkers and skeptics? The hollow earth theory has many valid points and should be well researched (like all things of course....) before coming to any strict conclusions. That said, this is a site for conspiracy theorists and the like and while I'm not in any way saying it is my or anyone else place to say so ,except for the webmasters of ATS, I really think that all of these debunkers that are flooding the gates of this site should discuss their topics at skeptic.com or skepticnews.com...somewhere that makes sense to have such views.
The Motto: "Deny Ignorance"
More than a slogan and deeper than a mission statement, our members have embraced the motto of "Deny Ignorance" as our reson detre, demanding everyone who posts to aspire to a higher standard of participation. These simple two words have galvanized a broad membership base that spans the spectrum from highly speculative conspiracy writers to staunch skeptics. The result is a unique collaboration of diverse individuals rallying under this simple statement to learn from each other, discover new truths, and imagine new ideas that expand minds.
I believe Mnemeth is convinced there is another cause. Something electric.
Calculation: Mass of earth
We calculate Earth’s mass as follows:
Everything pulls on everything else in a simple way that involves only mass and distance. Newton said every body attracts every other body with a force that, for any two bodies, is directly proportional to the product of the masses of the bodies and inversely proportional to the square of the distance separating them.
The equation, expressing Newton’s statement, is
(1) F = G (m1) (m2) / d²
where G is the gravitational constant.
Newton also said that the acceleration of an object is directly proportional to the net force acting on the object, is in the direction of the net force, and is inversely proportional to the mass of the object.
The equation, expressing this statement, is
(2) a = F / m.
We substitute Earth’s mass (me) and Earth’s radius (r) in Equation (1) to get the force that Earth attracts a body of mass (m) on the surface of Earth.
(3) F = G (me)(m) / r²
We substitute the acceleration (g) due to gravity in Equation (2) to get the force that the object of mass (m) resists the acceleration due to gravity
(4) F = mg
To calculate Earth’s mass, we equate the forces given by Equations (3) and (4) and solve for (me). We get
(5) me = g r² / G
where the constants are given by G = 6.67300 x 10-11m³/(kg s²),
g = 9.8 m/s²