NASA's photos of a perfectly rectangular iceberg in Antarctica are oddly satisfying

Science										
		
																	This giant rectangular iceberg looks totally out of place in Antarctica					
								
			
	
		Mike Wehner

"It probably wouldn't flip over", she said, but it could still crack and break up.

That iceberg, which represents 1 trillion tons of ice, calved previous year, according to USA Today.

The agency also captured a triangular berg drifting in the Weddle Sea.

However, in their responses to NASA, some Twitter users insisted that the spectacular rectangle-shaped iceberg was either man-made, alien-made, or both, with some insisting that nature "doesn't draw straight lines".

As NASA's Operation IceBridge missions (which survey Antarctica from 1,500 above) recently observed, this iceberg was surrounded by other tabular slabs, freshly calved into the frigid sea.

"We get two types of icebergs".

The icebergs are a particular kind called tabular icebergs, which resemble sheet cakes.

This is near the Larsen C ice shelf, where NASA believes the iceberg has recently broken off from - evidence of a recent break comes from the fact the iceberg has sharp edges. The iceberg NASA photographed is tabular, which means its basically table-shape: flat on the top and vertical at the edges. The sharpness of the edges indicates the iceberg had not yet been worn down by ocean waves. A flight for Operation IceBridge captured the photo.

This particular 'berg came from the crumbling Larsen C ice shelf on the Antarctic Peninsula.

A case in point would be a triangle-shaped iceberg spotted by NASA scientists recently and tweeted on October 19. Tabular icebergs also often crack and fall apart, perhaps through a collision, forming a less regular shape.

The Larsen C ice shelf is just one of many climate scientists are monitoring.

"What makes this one a bit unusual is that it looks nearly like a square", Brunt said, noting that it's a pretty fresh break.

According to Brunt, it is hard to determine the size of the iceberg in the photo, but it's likely more than a mile across.

Just remember though, next time you see a weirdly rectangular iceberg, your eyes do not deceive you.

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