Beneath the vast expanse of the Australian outback, a gigantic, buried object displaying magnetic anomalies is probably an enormous asteroid crater, as indicated by a study in the journal Tectonophysics.
Massive Buried Object with Magnetic Anomalies Discovered in the Australian Outback
Deep underground in the flat plains of the Australian outback, there’s a huge hidden object. It’s causing interesting magnetic anomalies. A new study in the Tectonophysics journal proposes that this big object is likely a really large hole made by a crashing asteroid. Researchers figured out that the object called the Deniliquin Structure is probably a space rock that fell to Earth, and was probably the one displaying magnetic anomalies. They looked at nearby clues in the ground to come to this conclusion. From their data, they found out that the object buried underground is at least 273 miles wide, which is even bigger than the state of Utah. This makes it much larger than South Africa’s Vredefort impact structure, which is about 186 miles wide and is thought to be the biggest impact site on Earth.
To understand the unknown structure better, scientists collected samples from the ground where it is displaying magnetic anomalies, and gathered magnetic information from the air. This helped them create a clearer image of what the mysterious thing might be.
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Examining the magnetic data from the region, a symmetrical rippling pattern was observed in the Earth’s outer layer close to the core of the structure. Professor Glikson from the University of New South Wales clarified that this pattern likely developed during the impact event, attributing it to the intense magnetic forces generated by extremely high temperatures.
Australia has 30 craters that we know of, with the oldest one being more than a billion years old, according to information from Australian Indigenous Astronomy. If this new discovery is indeed a crater, it would be the biggest one ever found on Earth.