Picard and Walsh
A nautical league is three nautical miles, so 20,000 nautical leagues would be 60,000 nautical miles. The title of the book 20,000 Leagues Under the Sea refers to a journey around the world that was of a distance of 20,000 leagues, not a depth of 20,000 leagues.
30 km = 30/1.609344 miles = 18.64 miles (approx.)
18 miles = 28,968.2 metres
~13.7 miles ~11.9 nautical miles
2k (kilometers) is 1.2427 miles.
The distance in Italy from Trieste to Siena is 201 air miles. That equals 324 kilometers or 175 nautical miles.
4,325 miles
86 miles
The deepest depth achieved by a manned submersible was achieved by the Bathyscaphe Trieste in January of 1960, manned by co-designer Jacqus Piccard (now deceased), and U.S. Navy Lt. Don Walsh.Surveying the deepest point in the oceans, the Challenger Deep area of the Mariana Trench in the Pacific off of the Marianas Islands group, it descended to a depth of nearly 7 miles below the surface of the ocean - 35,761 ft, or 10,900 meters. That's over 1083 times normal atmospheric pressure on its hull at that depth, or 15,928 PSIA (lbs/square inch absolute).Noted filmmaker James Cameron's Deepsea Challengerrecently (March 2012) completed the first ever solo dive to the Challenger Deep with him aboard, touching down at a depth of 35,756 ft, just a few feet shy of Trieste's dive.
Bathyscaphe X- the prototype ( made in Italy) went down over two miles on depth trials prior to l953 when the Trieste (I) was launched. the Trieste went to the bottom of the Marianas Trench- over 35,000 Feet down inthe Pacific, this is still a record for a manned submarine vessel. Yes, as it has a rudder and props a Bathyscaphe is considered to be a form of Submarine vessel, and the Funk and Wagnalls article clearly states so. The entire upper hull is used for Ballast tanks and they have both regular ballast and what is called anti-ballast to maintain depth the latter usually being aviation gasoline but in more modern ones Acetylene in Red bottles is used for anti-ballast (maintain buoyancy at depth) anti-ballast is not , in any circumstances, vented to sea- a catastrophic fire hazard with either gasoline or acetylene though the latter fluid is somewhat safer to handle. Familiar to welders it is treated with respect in its red bottles. so take the plunge, if you dare. Both the Bathyscaphe X of l947 and the Trieste I were largely- Made In Italy- pride runs deep as do still waters.
The deepest spot in the ocean is the Marianna Trench with a depth of 35,760 ft (about 7 miles) it was last visited by Jacques Piccard and Lt. Don Walsh in the submarine "Trieste" in January of 1960.
its about 89 KM so its about a one hour drive
The distance is approximately 300 road miles.
Oceanic crust is roughly 4 miles in average depth. Continental crust is on average 25-30 miles in depth.
about 4000 miles
2000 miles
7.3 MILES