Wednesday, 14 November, 2018


NASA actually spotted two weirdly rectangular icebergs

NASA’s sea ice survey captures bizarre, perfectly rectangular iceberg (PHOTO) Iceberg shaped like a colossal sheet cake drifts through Antarctic
Kristine Garrett | 24 October, 2018, 20:13

We rarely see those ideal edges, he added, because of the "rough and tumble lives" of typical icebergs. Such non-conventional icebergs can be massive, with the record-setting 11,000 square kilometer Iceberg B-15, visible from space, spotted off the Ross Ice Shelf in Antarctica in 2000. Operation IceBridge is a research initiative created to better understand how the poles influence Earth's climate, and it uses a fleet of research planes to regularly collect information. Sitting amid a chaotic jumble of floating ice, it looks perfectly rectangular, as though it was deliberately cut.

She said there were two types of iceberg.

"And then you have what are called 'tabular icebergs.'" Kelly Brunt, an ice scientist with NASA and the University of Maryland, told Live Science. Not all of them are rectangular-some have jagged borders like a puzzle piece, but most of their sides are sheer and smooth (at least at first).

"This one came from the crumbling Larsen C ice shelf on the Antarctic Peninsula". They are wide and flat and long, like sheet cake, Brunt said.

Images of the unusual icebergs were captured on NASA's IceBridge flight, an airborne survey of Arctic and Antarctic ice yielding detailed, three-dimensional views of ice sheets, ice shelves and sea ice.

NASA captured an image of an iceberg that looks like a flawless rectangle.

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.

The odd mass, known as an angular iceberg, was spotted during a flyover of the east coast of the Antarctic Peninsula.

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