Space may be the "last frontier", but it is anything but the strangest. The oceans are still full of secrets and strange life forms, and nowhere in the wet world is it more mysterious than in the Mariana Trench. This vast oceanic pit in the western Pacific reveals new secrets as a brave explorer advances to its deadly depths, and also amazes the most troubled marine explorer. Today we take a look at some of its strangest aspects and most consistent secrets.
10th The Size of the Mariana Trench
To understand all the strange things going on in the Mariana Trench, we first have to understand its sheer size. It's easy to imagine that the place is just a deep, watery hole with a few spooky, biologically glowing animals. In reality the Mariana Trench is absolutely massive . It is no less than 1,580 miles long and 43 miles wide, making its exploration understandably an incredibly discouraging task, even ignoring the pressure of water and the terrible-looking life-forms lurking in its depths and reaching down into the depths ] 36,000 feet below the surface at the bottom of the ditch, the Challenger Deep.
The trench is technically US territory, but with a huge, super-deep ocean hole containing all sorts of weird ecosystems apparently vulnerable to human manipulation, President George W. Bush declared it a Marine National Monument in 2009 "This means that most of the Mariana Trench, along with a whole host of surrounding seabeds and several underwater volcanoes, is a protected marine reserve.
. 9 The Mysterious Mariana Trench Sound
One of the strangest things that emerged from the Mariana Trench was not a fearsome sea monster, though we would be surprised if the option were not always on the table when the mysterious Es ist ein to hear a bimetallic sound that sometimes comes out of the ditch. Oceanographers have called this almost mechanical "twangy" sound "Western Pacific Biotwang" and it first appeared in 2014 when scientists recorded ocean sounds near the Mariana Trench with diving robots called "passive acoustic ocean gliders".
The Complex During the study period, a 3.5-second tone appeared several times, and although this seemed mysterious, the scientists finally discovered that the most likely culprit is a minke whale, a peculiar little whale that looks like a  Star Wars may sound] sound effect. However, minke whales themselves remain largely a mystery to science, and they still do not know what the call is about and why it was recorded year round. Incidentally, this is not the first time have puzzled the elusive minke whale scientists
. For 50 years, the researchers were confused by a strange, duck-like underwater sound that was too repetitive and rhythmic to be anything but artificial and too loud to be a fish. We did not find out that this "organic duck" sound until 2014 was minke whales.
. 8 Strange Underwater Volcanoes
When you list the dangers of the deep sea, you imagine things like giant sharks and possibly giant octopuses. What you would not expect, however, are massive mud volcanoes spewing the hot mud and rock fragments from the depths of the earth into the depths of the ocean. However, such natural structures exist within the Mariana Trench, which exists at at a location where the Pacific Tectonic Plate is pushed down from the Philippine Sea Plate. This makes the area a hotspot of volcanic activity, and the mud volcanoes are part of the business.
Incidentally, these massive geological structures bring heat to the depths where otherwise very little would be available. Thanks to the heat and minerals of mud volcanoes, researchers found evidence of microbial life to a depth of six miles under the Mariana Trench. This is an indication that life can survive in an extreme environment we have not really understood yet. Project leader Oliver Plumper puts it in a nutshell: "This is another indication of a large, deep biosphere on our planet. It can be huge or very small, but there is definitely something we do not understand yet. "
If this quote were not ominous enough, the Mariana Trench can bring its volcanic play to an even stranger level: it is also home to a submarine volcano that emits molten sulfur and another that is found in it the eruptions are liquid carbon dioxide. Life under water may not always be fun, but it is certainly eventful.
. 7 The Mariana Trench Megalodon
In 2018, the Jason Statham movie The Meg introduced the world to the novel concept of Megalodon Giant Sharks lurking in the Mariana Trench . The film shows the Mariana Trench with a "false" bottom that these Super Sharks have hidden all along, but apart from this novel feature, there have been conspiracy theories about megalodons secretly haunting the seas for quite some time – and whatever Better place to hide their existence from the puny humanity than the deepest pit in the sea?
Unfortunately (or fortunately, depending on your views on massive sharks), this is unlikely to be true. The Mariana Trench theoretically could not even carry a creature as tall as the Megalodon, and besides, the creature hung in quite shallow, warm water. But hey, you can always dream, right?
. 6 The Hadal Deep
The Hadal Deep is technically a common nickname for the deepest parts of the ocean around the world, but the Mariana Trench is where it is most unforgiving. Named after the underworld of Hades in Greek mythology, the area is so hostile to life that there were more people on the moon than dared to go there. This is a big part of why it has so many secrets: it is extremely difficult to keep people alive under the pressure of the Hadal Deep (and to keep the equipment intact).
Oh, and here it gets really bad: When it comes to the Mariana Trench, the beginning of the hellish Hadal lows is pretty much half way through. The Hadal depth begins at 20,000 feet below the surface, while the deepest ( as far as we know ) parts of the Mariana Trench are well over 35,000 feet deep. Before you go there, you might want to do a practice run in one of the other 45 Hadal areas in the world.
Yes, you read that correctly. There are no less than 46 of these underwater caves around the world, and we barely scratched their surface.
. 5 Sounds from the Deep
Eerie whale sounds are one thing, but when the scientists managed to record audio from the planet's deepest seabed in 2016, things became creepy . You'd expect the Challenger Deep to be a quiet place 10.8km down, but footage shows the area is actually full of sounds that seem like something out of a horror movie.
Yes, the depth is full of screeching, groaning and rumbling, and while the occasional sound is due to a whale or an earthquake, a whole bunch of them remains a mystery. The strangest thing about the recordings is perhaps the fact that you hear the surface noise often shockingly clear and boat propellers and typhoons are clearly audible on some tapes. In fact, marine researchers fear that man-made sounds can only be heard in the ocean, even in the pits of Hadal Deep. So you know. When the creatures of the deep inevitably rise up against us surface dwellers, there is a fair chance that they will complain only about their noisy upstairs neighbors.
. 4 The Mariana Trench's Mad Life
Imagine a science fiction monster, and there's a good chance that a variation of it exists somewhere in the depths of the Mariana Trench . In Dungeons & Dragons, there are relatively large amoebae that surround their prey and consume like a jelly-like cube monster. There are various translucent and bioluminescent creatures. Of course, there are also multi-toothed monsters like the freaky monkfish and the giant leprechaun shark, not to mention creatures with descriptive names like the deep-sea mite and the fanfin monkfish. "What else is lurking down there? Who knows!
To be fair, the marine life of the Mariana Trench is not just pure nightmare food. The most frightening predator in the area is an inconspicuous little rosy guy called Mariana snail, who tolerates it because it can live much deeper than some of its more toothy neighbors. As it is able to exist at a depth of an impressive 26,200 feet, it can enjoy smaller marine life without the risk of being eaten.
. 3 The Secrets of the Seabed
In 2012, James Cameron – yes, the Titanic Director – climbed into a small custom submarine and spent two hours and 36 minutes descending to the lowest point of the Mariana Trench . This was the deepest solo dive in human history, and although Cameron did not spot the octopus, his adventure yielded some of powerfully interesting scientific results . Apart from several bigger and stranger ground-dwellers than expected (though they were not big enough to play a major role in a catastrophe film), areas of the ditch floor were covered by a "surprisingly bizarre" ecosystem of a thick layer of bacteria that seemed to live on it chemical reactions between water and rocks.
It's almost certain that Cameron's dive just scratched the surface – researchers have estimated that the bottom of the ditch could accommodate 50-100 species of xenophyophors (basically giant amoebae), let alone all the other species Cameron saw … and certainly many that we still have to discover.
. 2 The whole Mariana Trench is a huge mystery
What do we know about the Mariana Trench? Virtually nothing at the moment. The researchers repeatedly find mysterious new species and freely grant that "much of the ditch and surrounding areas remain unexplored."
If you really think about what you mean Have read this list, is it a miracle? It's almost as if our planet had designed the Mariana Trench as a mystery, shrouded in mystery, making it as difficult as possible for a fragile human to observe. It is a place of utter darkness, of cold and oppressive pressure populated by extraterrestrial-looking creatures and constantly bombarded by noise both man-made and natural. All in all, there are belief systems out there that have less frightening hells.
. 1 The most terrible animal in the Mariana Trench
Yes, of course they are humans. There are always people, even in the least philanthropic column in the world.
In 2019, a diver reportedly discovered several candy wrappers and a plastic bag in the Mariana Trench which is well over 35,849 feet under the sea. That said, we've already managed to contaminate the place we just explored, and it gets pretty bad. In fact, an expert group estimated in 2017 that certain areas of the Mariana Trench are more contaminated than some of the most polluted rivers in China.
Interestingly enough, many deep-sea amphipods are now hanging around the bottom of the trench (and the oceans in general), with plastics and microfibers polluting the seafloor. It remains to be seen how this will affect them and what impact their new diet will have on the ocean ecosystem in the long term. Unfortunately, the forecasts of the experts are not too big.
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