A rift across the Larsen C Ice Shelf that had grown longer and deeper is seen during an airborne surveys of changes in polar ice over the Antarctic Peninsula from NASA’s DC-8 research aircraft on November 10, 2016. Coutesy NASA/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. - RTX38MAE

The breakaway iceberg – more than a quarter of the size of Wales – changes the landscape of the peninsula forever, scientists say.
The 2,200 square mile section of the Larsen C ice shelf snapped off at some time between Monday and Wednesday, said the team at Swansea University.
While cracks happen periodically – and this one is believed to have been a natural event – experts are also watching to see whether the process has been affected or accelerated by global warming.
Researchers at the university had warned in June that the vast iceberg was “hanging by a thread” and close to breaking off.
The breakaway section – more than a quarter of the size of Wales – changes the landscape of the peninsula forever, scientists said.
The release of the new iceberg – called calving – was detected by a NASA satellite and poses a potential risk to cruise liners and shipping traffic …
READ MORE ON SKY.COM