In 1899 Nero Deep (31,693 feet [9,660 metres]) was discovered southeast of Guam. That sounding was not exceeded until a 32,197-foot (9,813-metre) hole was found in the vicinity 30 …

Mariana Trench (Marianas Trench), deepest of the world’s deep-sea trenches. It stretches for more than 1,580 miles (2,540 km) with a mean width of 43 miles (69 km) and is part of the …

The fourth dive in the Nekton series was a very deep dive into the Nero Deep of the Marianas Trench. This deep had been discovered in 1899 by the USS Nero (AC-17) in a search for a …

In 1899 the USS Nero recorded a depth of 31,693 feet southeast of Guam. This was the greatest depth recorded on earth at the time. Since then, the deepest sounding for the Marianas …

2020年8月26日 · He has piloted Limiting Factor to the deepest points in the five named ocean basins as well as the first, second, and third deepest points on the seafloor – the Challenger, …

为一条洋底弧形洼地，延伸逾2,550公里(1,580哩)，平均宽69公里(43哩)。 主海沟底部有较小陡壁谷地。1899年， 关岛 东南发现内罗海渊（Nero Deep），深度为9,660米。这一纪录直到30 …

It is the deepest such trench known on Earth and thus the deepest known point in the ocean. More than 35,000 feet (10,500 meters) deep at its deepest point, the Mariana Trench is far …

On 8 January 1960, Piccard and I made a record dive to 23,000 feet in the Nero Deep. Everything worked well. Therefore, on the 19th, the Trieste was towed out of Apra Harbor to begin the …

The cosmos spreads out pursuing the deep universe; so the ocean divulges its known depths torturing a sailor’s mind into whirlpools. Twenty-seven-thousand tons of steel manned by …

Excellent for general-purpose sketching and drawing when a dense black line is needed, the Cretacolor Nero Deep Black Pocket Set and pencils produce a shiny black, smudge proof …