World's deepest hole once known as 'entrance to hell' sealed up for concerning reason
indy100.com
World's deepest hole once known as 'entrance to hell' sealed up for concerning reason
Deep in the Arctic Circle, in Russia, lies the deepest hole ever dug which was once called 'the entrance to hell'.The Kola Superdeep Borehole is the deepest manmade hole, and deepest artificial point, on Earth, measuring at 40,230ft feet.To put it into perspective, that's 12.2km, or 7.58 miles - tha...
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A series of pictures taken at the Kola Superdeep Borehole, a 1970 Soviet research project. Around 11,660 metres of depth, the machinery broke down and a special camera was sent in, taking pictures every 50 m. This first hole was abandoned soon after. (Photoshop art by Valdevia)
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A series of pictures taken at the Kola Superdeep Borehole, a 1970 Soviet research project. Around 11,660 metres of depth, the machinery broke down and a special camera was sent in, taking pictures every 50 m. This first hole was abandoned soon after. (Photoshop art by Valdevia)
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The Kola Superdeep Borehole: The Deepest Point Ever Reached by Humans The Kola Superdeep Borehole remains one of humanity’s most ambitious scientific drilling projects. Launched in 1970 by Soviet scientists on the Kola Peninsula in northwestern Russia, the borehole eventually reached a depth of 12.2 kilometers (7.6 miles), making it the deepest artificial point ever created in Earth’s crust. The objective was not to search for oil or minerals, but to advance scientific understanding of the conti
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