ibusinesslines.com November 14, 2018

Perfectly rectangular iceberg found in Antarctica

24 October 2018, 08:08 | Justin Tyler

ICE TO SEE YOU The strange angular iceberg was

ICE TO SEE YOU The strange angular iceberg was

A photo shows a thick block of ice up to a mile long dramatically protruding from a sea of thin frozen water, thought to have recently splintered off.

It's an iceberg, shared online by NASA last Wednesday, that appears to be in the shape of a ideal rectangle with smooth, even walls, and 90-degree angles.

The tabular berg's near perfectly shaped edges and form make it appear as if it has been artificially cut from an even bigger sheet of ice.

NASA's IceBridge aircraft spotted the iceberg during a routine aerial survey.

NASA photographed the unusual object in Antarctica last week as part of Operation IceBridge.

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

Brunt said the iceberg could be unstable and break if someone were to walk on it.

They added: "These flights will provide a yearly, multi-instrument look at the behaviour of the rapidly changing features of the Greenland and Antarctic ice".

Ice shelves are full of fractures and fissures, explains geophysicist Kristin Poinar from the University at Buffalo. Once they split from an ice shelf, they are often geometric in shape.

Nasa has released a striking photo of a rectangular iceberg floating in the Weddell Sea off Antarctica.

As with regular icebergs, just 10 percent of its mass is visible in the picture, though the subsurface mass is would look similar to what's visible above.

An iceberg recently spotted by NASA scientists looks like it was carefully cut into a ideal rectangle, and it's getting a lot of attention because of those unexpected angles and straight lines.

The main berg, dubbed the A68 Iceberg, collided with the Bawden Ice Rise near the edge of the Larsen C Ice Shelf in May this year, causing numerous fractures.

The iceberg is believed to have broken off from the Larsen C ice shelf, where a giant iceberg the size of DE calved previous year. Larsen A collapsed in 1995, and Larsen B collapsed in 2002.

The calving of the huge iceberg reduced the size of the ice shelf by 12%.

The Larsen C ice shelf is being closely monitored by scientists after showing signs of breaking up. As climate change continues to warm temperatures at the poles, scientists are increasingly concerned that Antarctica is melting.

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