JAKARTA The hollow earth theory or also known as hollow earth has returned to being a topic of conversation, after the Joko Anwar series Anwar's Nightmares and Days which appeared on a subscription-based streaming service, Netflix.

The series made by Joko Anwar immediately attracted the attention of Indonesian film lovers since it premiered on June 14, 2024. One of the reasons is because it raises the science fiction genre, which has never existed in Indonesian series.

"This series explores the genresci-fisupernatural," Joko said in a release.

"Inspired by my curiosity and interest in alien cerite, I dig deeper into the interesting concept of aliens that may not be far from us," he explained.

Some of the things that are in the spotlight in this series besides the story that forces the audience to think about, are about the theory of a hollow earth and a creature called Agartha.

Since years ago, theories regarding the shape of the earth have always drawn debate. Regarding the shape of the earth, public trust is divided into two, namely those who believe that the earth is round and believes in flat earth theory.

But lately the theory of the hollow earth has also been discussed. In fact, the theory of hollow earth or so-called hollow earth existed for a long time, long before the series Nightmares and Daydreams emerged.

The theory claims that the earth is not just a solid ball, but has a giant cavity inside, complete with its own sun and internal moon.

Launching the Gephysical Institute, the core of the hollow earth theory is that the earth is a shell with a thick wall of about 800 miles. In the polar area there is a hole as wide as 1,400 miles, with edges curved smoothly from the outer part of the shell to the inside.

Meanwhile, confiscated by Politifact, the hollow theory began when British astronomerjaurjadmond Halley in the 1690s proposed to the Royal Society of London that the earth consists of a nested spherical shell that rotates in various directions and surrounds the central core.

Halley thought the space between the shells might have a luminous atmosphere that might support life.

Halley's theory was agreed by John Cleves Symmes in the 1810s. He claims that the ball can be accessed through holes in both poles.

Supporters of the theory of hollow earth in modern times can refer to Bell Publishing Company's book Thehird Earth in 1979 by Raymond Bernandrd, not its real name. In the book he wrote an unreasonable story about Admiral Byrd. According to him, Byrd has made several trips in the earth by entering through holes in the North Pole.

Although it seems interesting from a fictional and speculation perspective, in fact the theory of the hollow earth is not supported by scientific evidence and is denied as pseudo science.

The theory of hollow earth cannot be separated from the myth of Agartha. Because in the theory of hollow earth there is an assumption that there is a city or civilization in the earth's stomach which is later called Agartha.

Citing.id, this story was first sparked by an occult from France, Alexandre Saint-Yves d'Alvesdre through the book Mission de l'Inde en Europe (1886). The book is claimed by Saint-Yves as a "convincing" testimony to the existence of the Agartha Nation.

According to him, the Agartha nation lives in distant underground caves and communicates with it sarcastically. They, said the occult or French occulter, were initially a number of governments on Earth that were removed into empty earth space at the end of the Yuga River, approximately 3,200 BC.

Based on the Saint-Yves story, life in the beautiful Agartha nation's cave is like the beauty of the Himalayan mainland, in Tibet, and is believed to be the source of all teachings in the ancient text of Weda. Saint-Yves also believes that Agartha is led by three main leaders, namely Restama, Mahatma, and Mahanga, which represents three branches of strength, namely science, judicial, and socio-economic.

According to legends, Agartha is a special place where its inhabitants are perfect, have high knowledge, and abundant natural resources.

Then in 1908 American writer Willis George Emerson published The Smoky God, which is claimed to be the true story of a Norwegian sailors named Olaf Jansen, who crossed the entrance to the hollow earth in the Arctic and lived with residents there for two years.

Until now, the existence of Agartha cannot be proven, especially since the theory of a hollow earth has also been denied by many scientists, one of which is the professor of geophysics from the University of Chicago, Andrew Campbell.

He denies the theory of a hollow earth because the earth's core is denser than its surface layer. If the earth is truly hollow, then what should happen should be the opposite.

"On the mantle and core of the earth the pressure and temperature are very high, so chemical life is unlikely. Organic carbon-rich molecules will react to form diamonds and other materials," Campbell said.

Because access to the core of this earth is impossible, Campbell thinks this is what makes the depth of the earth attractive to humans to them.

Although scientifically the theory of the hollow earth and the existence of Agartha cannot be proven, in fact there are still many fans of conspiracy theories who believe that this mysterious civilization really exists.


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