Kola Superdeep Borehole - Wikipedia
Kola Superdeep Borehole SG-3. The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]
15 BIGGEST Holes in the Earth - YouTube
2022年12月16日 · 15 BIGGEST Holes in the Earth. Our planet’s surface is covered in peaks and troughs that have been formed naturally over thousands, or millions of years… and artificially by human activity in ...
Top 10 Biggest, Deepest, Most Amazing, and Most Mysterious Huge Holes ...
2017年4月3日 · Dragon's Hole is in fact now the largest known blue hole in the world, surpassing the second largest by a huge 300 feet deeper than Dean's Hole in the Bahamas. Dragon's Hole is 987 feet deep. Dragon's Hole is located in the Paracel Islands in …
Scientists Solved a 50-Year Mystery of What Punched The Giant Hole …
The last pieces of a puzzle that has baffled scientists for decades have finally fallen into place. In the winter ice crusting over the Antarctic Weddell Sea, near a submerged peak named Maud Rise, a huge hole sometimes opens and gapes, exposing the dark, cold waters below.
Big Hole - Wikipedia
The Big Hole has a surface of 17 hectares (42 acres) and is 463 metres (1,519 ft) wide. It was excavated to a depth of 240 metres (790 ft), but then partially infilled with debris reducing its depth to about 215 metres (705 ft).
China's huge and mysterious Xiaozhai Tiankeng sinkhole - BBC
Deep in China's Fengjie County lies a natural wonder that has fascinated experts for decades. The Xiaozhai Tiankeng sinkhole is vast. Probably formed centuries ago by collapsing caves and ...
The Deepest Holes In The World - Grunge
2023年7月28日 · Reaching a depth of over 2,600 feet and taking up over 40 acres, the Big Hole was dug up for diamonds during British colonization. And while 2.7 tons of diamonds would eventually be excavated, the African workers who mined for the diamonds faced staggeringly high mortality rates in the process.
NASA Just Found a Huge Hole Growing on The Surface of The …
2016年7月14日 · A NASA spacecraft just spotted a giant hole creeping over the surface of the Sun. It sounds like the recipe for a doomsday blockbuster - the Sun slowly gets consumed by blackness, throwing our planet into a cold, dark frenzy.
The World's Deepest Pits | Condé Nast Traveler
2014年11月3日 · At more than 650 feet deep, Dean’s Blue Hole is the world’s deepest sinkhole with an entrance below water. Located in a bay west of Clarence Town on the Bahamas’ Long Island, its visible...
NASA Animation Sizes Up the Universe’s Biggest Black Holes
2023年5月1日 · A new NASA animation highlights the “super” in supermassive black holes. These monsters lurk in the centers of most big galaxies, including our own Milky Way, and contain between 100,000 and tens of billions of times more mass than our Sun.