A tabular iceberg shaped like a sheet cake and perfectly rectangular was spotted in Antarctica by NASA as part of Operation IceBridge.
“So, here’s the deal,” Kelly Brunt told Live Science. “We get two types of icebergs: We get the type that everyone can envision in their head that sank the Titanic, and they look like prisms or triangles at the surface and you know they have a crazy subsurface. And then you have what are called ‘tabular icebergs.’”
Brunt went on to told Live Science this particular iceberg is likely more than a mile across, and that only 10 percent of its mass is visible with the rest hidden under water.
The image was taken on a flyover of the Larsen C ice shelf on the Antarctic Peninsula last Wednesday and NASA tweeted it, creating an assortment of humorous suggestions as to its origins.