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  2. Kola Superdeep Borehole - Wikipedia

    en.wikipedia.org/wiki/Kola_Superdeep_Borehole

    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]

  3. List of impact structures on Earth - Wikipedia

    en.wikipedia.org/wiki/List_of_impact_structures...

    The table below is arranged by the continent's percentage of the Earth's land area, and where Asian and Russian structures are grouped together per EID convention. The global distribution of known impact structures apparently shows a surprising asymmetry, [ 37 ] with the small but well-funded European continent having a large percentage of ...

  4. A giant hole in Siberia is visible from space and growing ...

    www.aol.com/giant-hole-siberia-visible-space...

    A giant hole in the earth is breaking open the land in Siberia, ... researchers used satellite and drone data to construct 3D models of the megaslump and calculate its expansion over time.

  5. Chesapeake Bay impact crater - Wikipedia

    en.wikipedia.org/wiki/Chesapeake_Bay_impact_crater

    The bolide made impact at a speed of approximately 17.8 kilometers per second (11.1 miles per second), [4] punching a deep hole through the sediments and into the granite continental basement rock. The bolide itself was completely vaporized, fracturing the basement rock to depths of 8 km (5 mi), and raising a peak ring around it.

  6. List of most massive black holes - Wikipedia

    en.wikipedia.org/wiki/List_of_most_massive_black...

    The supermassive black hole at the core of Messier 87, here shown by an image by the Event Horizon Telescope, is among the black holes in this list. This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (M ☉), approximately 2 × 10 30 kilograms.

  7. List of datasets for machine-learning research - Wikipedia

    en.wikipedia.org/wiki/List_of_datasets_for...

    9.4 Earth science. 9.5 Other physical. 10 Biological data. Toggle Biological data subsection. ... 5 data sets that center around robotic failure to execute common tasks.

  8. Black Hole Size Comparison Chart Gives New View of Universe

    www.aol.com/news/black-hole-size-comparison...

    The post Black Hole Size Comparison Chart Gives New View of Universe appeared first on Nerdist. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...

  9. List of possible impact structures on Earth - Wikipedia

    en.wikipedia.org/wiki/List_of_possible_impact...

    As the trend in the Earth Impact Database for about 26 confirmed craters younger than a million years old shows that almost all are less than two km (1.2 mi) in diameter (except the three km (1.9 mi) Agoudal and four km (2.5 mi) Rio Cuarto), the suggestion that two large craters, Mahuika (20 km (12 mi)) and Burckle (30 km (19 mi)), formed only ...