Our class is studying the concave earth theory, which are our teacher suggests is the most viable theory for understanding the composition of the earth and the universe as a whole. However, I am having a difficult time comprehending the concave earth theory and how it would impact gravity. Can anyone help me grasp what the concave earth theory is and what scientific evidence it has in its favor?

Thanks!

Ask your teacher for reference material. If this is a new name for the Hollow Earth theory, it has a following of several thousand nut cases.

http://www.unexplainedstuff.com/Places-of-Mystery-and-Power/Hollow-Earth.html

Huh? No, that's not exactly it, but close. It's the theory that we actually live inside the earth, and that the entire universe is contained within the earth. That's as far as I understand it, at least.

The concave earth theory, also known as the "Hollow Earth" theory, posits that the Earth is not a solid sphere but rather a hollow structure with a cavernous interior. According to this theory, we live on the inner surface of the Earth, with the universe contained within it. This is in contrast to the widely accepted understanding of the Earth as a solid planet with a molten core.

To grasp the concept of the concave earth theory, it might help to visualize a hollow cavity within the Earth. In this scenario, the surface we inhabit is the inner lining of this cavity, while the outer side is the "outside" of the Earth. The hollow interior is believed to be illuminated by a central sun, which provides an alternate explanation for the day and night cycle.

Now, let's discuss the impact of the concave earth theory on gravity. According to this theory, gravity is produced by the centrifugal force generated by the rotation of the Earth. The hollow nature of the Earth allows objects to be pulled towards the inner surface, as opposed to being attracted towards the center of a solid sphere. Supporters of this theory argue that gravity works differently inside the Earth compared to how we understand it on the surface.

However, it's important to note that the concave earth theory lacks scientific evidence and is not widely accepted in the scientific community. The existing body of scientific knowledge, including experiments and observations, supports the understanding of the Earth as a solid planet with a dense core.

If you are looking for credible references and research about the concave earth theory, it may be useful to consult scientific journals, books, or articles written by experts in geophysics, cosmology, and planetary science. These sources will provide a comprehensive understanding of the current scientific consensus on the structure of the Earth and the universe.