It could fill a massive knowledge “gap” on alien life.
Researchers flabbergasted the science community after discovering the world’s second-largest blue hole in Mexico — which could potentially provide a window into life on other planets.
The massive sapphire sinkhole was originally discovered in 2021 but was only documented recently in the scientific journal Frontiers In Marine Science.
It is likely “the deepest known blue hole in the region,” according to the scientists, who were affiliated with the public research center El Colegio de la Frontera Sur (Ecosur).
Known in scientific circles as Karst formations, blue holes are actually vertical marine caves that were carved over thousands of years by glacial runoff during the Ice Age, according to Discovery.com.
These sprawling aquatic formations often extend hundreds of feet down and can measure an equal or greater distance across as well.
This latest cobalt cavern system was discovered off the Yucatan Peninsula’s Chetumal Bay, whereupon it was surveyed and sampled by scuba divers, undersea sonar, and other methods.
Dubbed Taam ja’ — which means “deep water” in Mayan — this behemoth blue lagoon spans an area of 147,000 square feet with a depth of 900 feet, Live Science reported.
A collage of shots from the Taam Ja’ Blue Hole expedition.
A map marking the Taam Ja’ Blue Hole’s location inside Chetumal Bay in the Yucatan.
This “makes it the second deepest known blue hole in the world,” after the Dragon Hole in the South China Sea which is believed to extend down some 980 feet, per the study.
Also noteworthy are the Taam Ja’ Blue Hole’s steep slopes of almost 80 degrees that form a “large conic structure.”
The indigo crater’s walls shelter the water from the tides, rendering its current completely still, as some aquatic anomaly stuck out of time.
A similar sinkhole is pictured above in this aerial view of the Sansha Yongle Blue Hole — the Dragon Hole — photographed in 2016 in Xisha Islands, China. Luo Yunfei/CNSPHOTO/VCG
Aerial footage of the “Great Blue Hole” in Belize. ShutterstockUnfortunately, little scholarship exists on blue holes due to their lack of accessibility to people.
The aforementioned tidal flow makes it so they are “sharply stratified by a thin layer of freshwater on the surface that prevents oxygen from reaching the dense saltwater below,” per Discovery.com.
Instead of oxygen, these ultramarine portals are filled with the deadly gas hydrogen sulfide, making it perilous for people to venture into the abyss sans the proper equipment.
A 3D morphological map of the Taam Ja’ Blue Hole.
Despite the inhospitable conditions, blue holes are veritable oceanic oases teeming with life that’s adapted to an oxygen-poor environment.
This lack of oxygen coincidentally has the side effect of perfectly preserving fossils, enabling scientists to potentially identify long-extinct species, researchers note.
In fact, submarine sinkholes may offer a portal to both space and time: In 2012, scientists exploring blue holes in the Bahamas discovered bacteria deep in the caves where no other life existed, potentially filling the knowledge “gap” on what types of lifeforms have the capacity to survive on other planets.
Graphs detailing the blue hole’s vertical prior.
The “origin and geological evolution of the TJBH deserves further investigation,” researchers declare in the study.
Perhaps most troubling is the insight blue holes provide into human activity.
During a 2018 exploration of Belize’s mysterious “Great Blue Hole,” researchers discovered plastic bottles at the bottom of the 410-foot-deep formation.
“The real monsters facing the ocean are climate change and plastic,” said billionaire Virgin founder Richard Branson, who tagged along on the expedition. “We’ve all got to get rid of single-use plastic.”
