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The World's Deepest Hole – Alaska Science Forum – July 1985; The Deepest Hole 20 June 2006; Kola Superdeep – Scientific research results and experiences by PhD A. Osadchikh 1984 (in Russian) Photo report on a trip to the Kola superdeep well in 2017. Many photos of the current state. (in Russian)
Porphyrion is a Fanaroff–Riley class II radio galaxy located 7.5 billion light years away from Earth, with host galaxy J152932.16+601534.4.It is located in the constellation Draco and it was discovered in Low-Frequency Array (LOFAR) data by an international team led by Martijn Oei. [2]
The Xiaozhai Tiankeng is 626 meters (2,054 feet) long, 537 meters (1,762 feet) wide, and between 511 and 662 meters (1,677 and 2,172 ft) deep, with vertical walls. Its volume is 119,349,000 m³ and the area of its opening is 274,000 m 2. This material has been dissolved and carried away by the river.
As the race in space was winding down, soviet scientists turned inwards. You'd never guess that this is the site of one of their great achievements. This hard-to-find rusty cap in the ruins of a ...
Homestake carved out more than 370 miles of underground shafts, drifts and ramps, and Sanford Lab currently maintains about 12 miles for science activities. The main level for science is the 4850 Level, which can be accessed through the Yates and Ross shafts. At 1,490 meters, SURF is the deepest underground laboratory in the U.S.
The deepest hole ever drilled on Earth is the Kola superdeep borehole in northwest Russia, which extends down about 12 km. That may be deep enough to touch the Red Planet water, but nobody ...
Scientists using an ocean drilling vessel have dug the deepest hole ever in rock from Earth's mantle - penetrating 4,160 feet (1,268 meters) below the Atlantic seabed - and obtained a large sample ...
According to the data of the study, they found out the central supermassive black hole of NGC 4889 is 5,200 times more massive than the central black hole of the Milky Way, or equivalent to 2.1 × 10 10 (21 billion) solar masses (best fit of data; possible range is from 6 billion to 37 billion solar masses). [5]