Les scientifiques ont découvert un étrange orbe doré au fond de l'océan, et personne ne sait exactement ce que c'est ! Cet objet mystérieux a été découvert au large des côtes de l'Alaska lors d'une exploration en eaux profondes. Il est doux, brillant, et ressemble à quelque chose sorti d'un film de science-fiction. Certains chercheurs pensent qu'il pourrait s'agir d'un type d'œuf marin ou d'éponge, mais ils se grattent encore la tête. Ils l'ont remonté à la surface pour effectuer davantage de tests afin de déterminer sa véritable nature. Et ce n'est qu'un exemple d'un mystère naturel fascinant sur notre liste - découvrons-en d'autres ! Animation créée par Sympa.
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FunTranscript
00:00A remote-controlled submarine vehicle, the Okeanos Explorer, discovered this mysterious
00:06golden sphere in the Gulf of Alaska, at about 3,000 meters deep.
00:10No one can identify precisely this object.
00:13It is a strange structure of a little more than 10 cm in diameter, solidly anchored
00:17to a rock.
00:18When touched, it is smooth and soft, evoking the texture of the skin.
00:22A hole is visible at its surface, as if something had escaped from it.
00:26But what could it be?
00:27The divers recovered this enigmatic sphere in the Pacific Ocean and brought it back
00:35to the laboratory.
00:36They felt like at the beginning of a horror movie, convinced that if they touched this
00:41object, something was going to bounce on them.
00:43This could have happened if they had recovered it earlier.
00:47The hole visible on this orb suggests that a living being tried to enter or exit it.
00:53This is why scientists hypothesize that it is an egg.
00:58Maybe we have discovered a new species, or an unknown stage of development of a species
01:03already listed.
01:04Some creatures, such as squid, actually lay their eggs at the bottom of the ocean.
01:10If this is the case, these animals could be of a colossal size, because this egg is
01:14particularly large.
01:19But it may not be an egg.
01:20It could just as well be a sponge.
01:22The object was discovered surrounded by white corals, an environment where sponges live
01:27frequently.
01:28A few months before this discovery, scientists had already identified more than 5,000 new
01:33marine species in a restricted area located between Hawaii and Mexico.
01:37As for the Gulf of Alaska, it houses 52 other species, not counting those that remain
01:43to be discovered.
01:45It is therefore possible that it is simply an unknown sponge, or even a coral, or even
01:50a completely different creature.
01:52What scientists know with certainty is that this object is a living organism.
01:58They plan to transfer it to a more advanced laboratory, to carry out DNA tests to learn
02:05more about it.
02:06And this is certainly not the first frightening discovery from the depths of the ocean.
02:11In 2013, two rare locomotives were discovered under nearly 27 meters of water, off the coast
02:17of New Jersey.
02:18Scientists estimate that these locomotives were lost in the 1850s.
02:23For machines that have been submerged for more than 160 years, they are remarkably well
02:29preserved.
02:30Despite the layers of rust and the bony bits, their chimneys are still visible.
02:36They rest vertically, as if ready to enter the station at any time.
02:42The origin of these locomotives remains a mystery.
02:46No historical document mentions their construction or disappearance, making their discovery
02:52all the more enigmatic.
02:54These extremely rare steam locomotives weigh about 15 tons each and rest 8 km from Long
03:01Branch.
03:02These engine models were already obsolete at the time of their manufacture.
03:07Although small and powerful, they were produced only for a short period.
03:11Perhaps they were making their way from Boston to the mid-Atlantic region before a storm
03:17came over, either making them fall off a barge or being voluntarily dropped into the sea
03:22to lighten the ship.
03:23Scientists plan to restore these locomotives in order to learn more about their history.
03:29And they are not the only treasures that humanity has abandoned in the depths.
03:36Jeff Bezos, the founder of Amazon, located the F-1 engines of the Apollo 11 rocket in the
03:42ocean.
03:43During the Apollo 11 mission in 1969, the Saturn 5 rocket leaned on 5 F-1 engines during
03:50its first phase of launch.
03:52Each of these engines developed a thrust of 680 tons.
03:56They consumed 2.7 tons of fuel per second, or 1.5 million times more than a standard car.
04:03After a few minutes of operation, the engines detached and plunged into the Atlantic Ocean.
04:09Inspired by this story, Jeff Bezos started looking for these engines about a year ago.
04:15The team used a high-tech sonar to explore the seabed and eventually located the engines
04:21at more than 4,200 meters deep.
04:25Scientists do not know the state of the engines.
04:28After a brutal impact with the ocean and more than 40 years spent in salt water, their condition
04:33is uncertain.
04:34However, built with extremely resistant materials, they still hope to be able to study them.
04:40Bezos would ideally like to recover them.
04:43Although they still belong to NASA, he would like to see them exhibited in museums such
04:48as the Smithsonian or the Museum of Flight of Seattle.
04:52Can you imagine discovering the famous yellow brick road of the Oz magician at the bottom of the ocean?
04:58It looks like an artificial road, but surprisingly, it is a natural volcanic formation.
05:04Divers explored volcanic underwater mountains in Hawaii and wanted to examine a bifurcation
05:09in the chain of these oceanic mountains.
05:11By broadcasting their expedition live, they came across a fascinating show.
05:16Cracks on the seabed formed a pattern evoking a paved road.
05:21With the help of a robotic arm, they collected samples of rocks.
05:25These rocks were made up of rectangular blocks, well delimited by straight lines and right angles.
05:31Some joked that this could be the road leading to Atlantis, while others mentioned the yellow brick road,
05:38thus giving its name to the discovery.
05:41However, after a more in-depth study, scientists have determined that this dried lake bed
05:47had been shaped by ancient particularly intense volcanic eruptions.
05:52In reality, these are fractured yellow clastites.
05:55As a result of the cycles of warming and cooling caused by the eruptions,
05:59these volcanoes created this unique paved pattern.
06:03On June 20, 2011, the Oceanics diving team made the strangest discovery.
06:09While they were looking for treasures in the north of the Baltic Sea, in the Gulf of Botany,
06:13they came across an anomaly.
06:15Nicknamed the Baltic Sea Anomaly, this formation seems as bizarre as artificial.
06:20It measures nearly 60 meters wide and looks like a mushroom,
06:24rising between 3 and 4 meters from the seabed.
06:27Its discoid shape is impressive, covering an area equivalent to two football fields.
06:33Its main part is marked by rectilinear edges and structures resembling boxes.
06:38Its upper surface presents cracks filled with an unknown black material,
06:43but surprisingly, this object is not made of metal.
06:46The object rests at a depth of about 90 meters in the Gulf waters,
06:50and the great mystery remains to be understood as to why it is in this place.
06:58This discovery has truly created a stir in the media.
07:01Some have even suggested that it could be an emerged alien ship,
07:06ruins of Atlantis, or a portal to another world.
07:10These hypotheses gained credibility when strange platforms resembling pavings
07:15were discovered around the object, giving the impression of a staircase.
07:19In addition, explorers reported that their electrical equipment,
07:23such as sonars and satellite phones,
07:26stopped working near this structure.
07:29And these testimonies are not isolated.
07:32Researchers from various institutes have confirmed these anomalies.
07:36However, most scientists believe that it is probably a natural geological formation,
07:42despite its unusual appearance.
07:44However, they struggle to explain precisely what it is.
07:48Several theories have been advanced.
07:50A formation linked to human culture, a deposit dating from the Ice Age,
07:54the result of a volcanic activity, etc.
07:57It is even possible that it is the remains of an asteroid that hit the bottom of the ocean
08:01thousands of years ago.
08:02However, none of these theories explain the electronic malfunctions
08:06observed near the anomaly.
08:08Maybe the truth will be revealed one day.
08:11But what about technologies inherited from even more recent times?
08:18This strange device is often considered the first known analog computer.
08:23It is called the anti-sitter mechanism.
08:26This mechanism was discovered in 1900 near the Greek island of the same name,
08:30and it could date from 87 BC.
08:32It was found in the wreck of a ship, and despite its age, it was in excellent condition.
08:37This mechanism was remarkably complex,
08:40because such sophisticated machines had not resurfaced before the 14th century.
08:45There was also a mysterious mass among the discoveries.
08:48When it was fragmented, inscriptions were found inside.
08:52Because of the corrosion, they were difficult to read.
08:55But thanks to the X-rays, they could be deciphered.
08:58These were instructions explaining exactly how to use the mechanism.
09:02A real treasure for archaeologists.
09:04It turned out that this device was used to predict astronomical positions
09:08and eclipses several decades in advance.
09:11The scientists of the time used this computer
09:14to follow the quadrennial cycle of the old Olympic Games.
09:18The mechanism had a complex structure of 37 bronze gears
09:22which followed the movements of celestial objects.
09:25But at least here, we know that this device was man-made, isn't it?