Mother Nature with a chainsaw? Perfectly rectangular iceberg dazzles online

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While the rectangular ice might look a little unreal, they're still just a natural part of the process of icebergs breaking 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 photo captured by NASA was for its Operation IceBridge, which studies the annual changes if sea ice, glaciers and ice sheers, The New York Daily News noted.

They were often geometrically-shaped as a result, she said. The nearly ideal 90-degree angles of this slab of ice may puzzle many people, making them think that this geometrical shape was deliberately carved with a enormous chainsaw.

However, tabular icebergs are huge slabs of ice with a flat top and vertical sides that form by "calving" or splintering off a much larger ice shelf.

"The iceberg's sharp angles and flat surface indicate that it probably recently calved from the ice shelf".

That iceberg was also a wide and flat tabular iceberg, accompanied by smaller tall and thin chunks of ice called pinnacle icebergs. Eventually, wind and water will wear down the edges. Typically, only 10 percent of an iceberg is visible above the water.

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A odd looking iceberg has been observed by NASA scientists.

Categorized as a tabular iceberg, the square-like iceberg was estimated to be over a mile across.

IceBridge's senior support scientist Jeremy Harbeck spotted the iceberg floating just off the Larsen C ice shelf.

Larsen A, an ice shelf farther north on the peninsula, broke up in 1995.

Nasa scientists took the picture and shared it on Twitter saying that the shape of it suggests that it only calved from the ice shelf quite recently. The berg is in the shape of an nearly ideal rectangle. Mark Brandon from the Open University in London wrote in a blog post that the ice shelf is rotating, and if it continues along its current course, its northern edge could collide with Larsen C.

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

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