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TechnologyNASA found where that bizarre rectangular iceberg came from

00:30  09 november  2018
00:30  09 november  2018 Source:   cnet.com

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The bizarre block of floating ice has almost perfectly straight edge making the naturally formed iceberg look uncannily man-made. Experts said the striking

NASA ’s ongoing, decades-long survey of polar ice has yielded some truly incredible photographs over the years, but one recent still captured what appears to be a perfectly, almost impossibly rectangular iceberg . Snapped by NASA ’s ICE mission, as part of Operation IceBridge, the giant tabular iceberg

NASA found where that bizarre rectangular iceberg came from© CNET This iceberg has all the right angles.

A very cold internet star was born in October when a NASA survey flight over Antarctica captured a photo of a strangely squared-off iceberg. While some people joked about a possible alien origin, NASA now has proof of the berg's very terrestrial journey.

Scientists initially thought the weird iceberg, photographed by the Operation IceBridge team, had recently calved from the Larsen C ice shelf. That's the same ice shelf that gave us monster iceberg A-68 in 2017. But the real story is much lengthier.

Researchers sleuthed out the iceberg's starting point with the help of imagery from NASA's Landsat 8 and the European Space Agency's Sentinel-1 satellites.

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An iceberg recently spotted by NASA scientists looks like it was carefully cut into a perfect rectangle , and it's getting a lot of attention because of This iceberg probably recently calved from the ice shelf, NASA says. And the portion above the surface is likely just 10 percent of the total iceberg , Petty says.

A rectangular iceberg has been photographed in the Antarctic. The iceberg 's sharp angles and flat surface indicate that it probably recently calved This iceberg was formed from the Larsen C ice shelf on the Antarctic Peninsula, in a process that Brunt described as "a bit like a fingernail growing too long

NASA found where that bizarre rectangular iceberg came from© Provided by CBS Interactive Inc. nasaiceberg The iceberg originally calved off the ice shelf in November 2017. It floated north in a channel of water between the ice shelf and the A-68 iceberg.

"The once-long rectangle berg did not make it through unscathed; it broke into smaller bits," NASA's Earth Observatory reports. The berg actually appears to be more a trapezoid shape than a pure rectangle in a Landsat 8 satellite image from Oct. 14, just days before Operation IceBridge spotted it.

The infamous geometric iceberg shined brightly, but briefly. NASA says it's moved out into open water where it'll melt away in the warmer environment.

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