Publicado: Sol, Octubre 28, 2018
Ciencia | Por Aurelio Ontiveros

2 rectangular icebergs captured by NASA's IceBridge flight

2 rectangular icebergs captured by NASA's IceBridge flight

It's not a flawless rectangle, but it's still a highly angular quadrilateral.An angled view of the geometric iceberg.Image: NASA/Operation IceBridgeThese photos were captured by IceBridge senior support scientist Jeremy Harbeck, who spotted the tabular iceberg near the Larsen C ice shelf.

Icebergs form when the weight of large chunks snap off, or "calve", from glaciers, ice shelves, or even larger icebergs, explains the National Snow & Ice Data Center.

During Operation IceBridge's October 16 aerial survey, in addition to finding that now-viral iceberg, (sometimes referred to as tabular A) senior support scientist Jeremy Harbeck also spotted one other rectangular berg floating by. Image: NASA/Jefferson BeckNASA's Operation IceBridge is an ongoing mission to monitor polar regions and track the planet's global climate system. At the far left is the original geometric iceberg, with the massive A68 Iceberg in the background.

Flights are conducted over Greenland from March to May and over Antarctica in October to November.

In the new photo, Mr Barbeck captured both the edge of the now-famous iceberg, and a slightly less rectangular iceberg.

A68, which is about the size of the state of DE, calved off the Larsen C ice shelf in July of 2017.

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A Landsat 8 satellite image shows part of the northern Antarctic Peninsula, with an arrow pointing to the rectangular iceberg.

The A-68 ice island is roughly the size of Delaware.

NASA has spotted a second strikingly rectangular iceberg in Antarctica.

Just past the rectangular iceberg, which is visible from behind the outboard engine, IceBridge saw another relatively rectangular berg and the A68 iceberg in the distance.

This show-stopping tabular iceberg is an estimated 1.6 kilometers (1 mile) across with clean edges that indicate it had probably broken off fairly recently, reported Science Alert.

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