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Icebergs do not often make international headlines, but an oddly perfect-looking and seemingly anomalous rectangular structure in the Antarctic did this week. But the iceberg was not that special after all, according to the photographer who has shared a second view of a similar object.
The arm of NASA which documents an image of what is known as a "tabular iceberg" near the Larsen C ice shelf, off the east coast of the Antarctic Peninsula, on 17 October.
Scientists were collecting evidence on the level of glaciers draining into Larsen A, B, and C has changed.
NASA Ice-the arm of the agency which documents the Earth's ice, snow and permafrost-snapped the picture as part of Operation Ice Bridge. The team was assessed a huge huge A68 iceberg measuring the size of the state of Delaware that had broken off from Larcen C in July 2017.
NASA explained the rectangular iceberg, which is most likely to be broken down into the surface of the ice.
The tweet caused quite a stir and was retweeted over 11,000 times.
Referencing Senior Scientist Support Jeremy Harbeck who snapped the image from an aircraft, NASA responded: "Wow, it's been amazing to see a picture of a tabular Antarctic iceberg, by # IceBridge's Jeremy Harbeck, has made."
NASA has since released a photo of a neighboring iceberg, whose edges are slightly wonkier.
Harbeck later commented: "I thought it was pretty interesting; I often see icebergs with relatively straight edges, but I do not really like it.
"I was actually more interested in capturing the A68 iceberg that we were about to fly over, but I thought this rectangular iceberg was visually interesting and fairly photogenic, so we have a lark, I just took a couple photos," Harbeck said.
According to NASA, Operation IceBridge is the agency's longest-running aerial survey of polar ice.
The survey was part of a five-week-long IceBridge mission which launched from Punta Arenas, Chile, on October 10 and is expected to finish on November 18.
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