That rectangular iceberg spotted by NASA is real

Hamish Pritchard | British Antarctic Survey via AP

American Space Agency NASA has shared an image of a almost flawless rectangular iceberg floating just off the Larsen C Ice Shelf in Antarctica. But alien conspiracy fans will be disappointed to learn that it's a naturally occurring phenomenon.

The aerial survey is part of NASA's project "Operation IceBridge", which is created to analyse changes in the polar ice and to understand how the polar regions are connected to the global climate. She added that these flat-topped and angular ice sheets are typically wider than they are deep, and can span hundreds of miles across. But for now, it's in near-perfect shape - even if we can't quite see the entire slab. "You can just get these fracture lines that can form these interesting geometric structures", he says, and points out a different, triangle-shaped iceberg spotted by NASA scientists recently.

A chunk of the deteriorating Antarctic Larsen C ice shelf, it seems to have calved very recently, based on its very clean edges - the sea and wind haven't yet been to work eroding them. "And then you have what are called "tabular icebergs"," she said. The sharpness of the edges indicates the iceberg had not yet been worn down by ocean waves.

Just past the rectangular iceberg, which is visible from behind the outboard engine, IceBridge saw another relatively rectangular iceberg.

The iceberg is believed to have broken off from the Larsen C ice shelf, where a giant iceberg the size of DE calved past year.

The ice shelf is about 1,100ft thick and floats on the edge of West Antarctica.

Sometimes, these tabular icebergs are enormous in size, measuring hundreds of miles in length and hundreds of feet in height.

In 2017, an iceberg the size of DE broke off from Larsen C. The trillion-ton chunk was one of the largest ever recorded.

This iceberg captured by NASA - akin to the Wilkins icebergs - was also pretty new and fresh, which certainly helped its profoundly sharp, nearly unnatural appearance.

Scientists took the snap from a plane used to monitor changing land and sea ice in the South Pole.

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