Published: Tue, October 23, 2018
Research | By Jody Lindsey

This iceberg looks like a ideal rectangle

This iceberg looks like a ideal rectangle

It looks so ideal that it seems Photoshopped - but a odd perfectly rectangular iceberg near Antarctica is a natural phenomenon, NASA scientists say.

NASA shared an image of the perfectly formed iceberg on its Twitter page, after spotting it while flying over the region as part of Operation Icebridge, the largest airborne survey of Earth's polar ice.

The Larsen C ice shelf is being closely monitored by scientists after showing signs of breaking up.

The angular berg is called a tabular iceberg.

The US space agency's explanation that the odd-looking iceberg's sharp angles and flat surface was an indication that it had recently broken off from a larger iceberg didn't seem to cut it online.

But NASA ice scientist Kelly Brunt explained the process that caused it is fairly common.

UMBC JCET Scientist at NASA Goddard Space Flight Center, Christopher Shuman, who has been watching the Larsen C Ice Shelf explained that the main iceberg (which was the size of about the size of the state of DE when it split from the shelf in July) has had a previous series of collisions, resulting in larger and smaller fragments.

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Brandon wrote on his blog that in July, 'the weather conditions and ocean currents conspire to swing the trillion tonnes of the giant iceberg A68 in an anticlockwise direction.

The chunk of ice has since been known as iceberg A-68.

'It has a spectacular amount of momentum and it's not going to stopped easily.

The picture was taken last week by scientists on a Nasa research plane.

A NASA spokesman said: "It will yield an unprecedented three-dimensional view of Arctic and Antarctic ice sheets, ice shelves and sea ice".

The researchers wrote, 'Computer modeling suggests that the remaining ice could become unstable, and that Larsen C may follow the example of its neighbour Larsen B, which disintegrated in 2002 following a similar rift-induced calving event'.

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