Αποτελέσματα Αναζήτησης
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]
2 Ιαν 2024 · The Kola borehole reached 40,230 feet (12,262 meters) in 1989, making it the deepest human-made hole on Earth. As of 2023, it remains the deepest known hole created by human beings.
4 Αυγ 2023 · Here are some of the biggest known sinkholes on Earth, as measured by depth. 1. Xiaozhai Tiankeng, China. Xiaozhai Tiankeng — or Heavenly Pit — the largest known sinkhole on Earth. (Image...
6 Μαΐ 2019 · This is the Kola Superdeep Borehole, the deepest manmade hole on Earth and deepest artificial point on Earth. The 40,230ft-deep (12.2km) construction is so deep that locals swear you can...
Κυριότερες Ειδήσεις
A supermassive black hole (SMBH) is an extremely large black hole, on the order of hundreds of thousands to billions of solar masses (M ☉), and is theorized to exist in the center of almost all massive galaxies.
7 Οκτ 2024 · Over the past decade, astronomers have discovered black holes much, much larger, known as ultramassive black holes. Some are 1,000 times more massive than Sagittarius A* and large enough to span...
22 Φεβ 2020 · Known as the Kola Superdeep Borehole, the deepest hole ever dug reaches approximately 7.5 miles below the Earth’s surface (or 12,262 meters), a depth that took about 20 years to reach.*
