Satellites watch world's largest iceberg break away from Antarctica (photos) 

 The world's largest iceberg, known as A23a, has broken loose and is moving past the northern tip of the Antarctic Peninsula in new satellite images from the Copernicus Sentinel-1 mission.  

https://cdn.mos.cms.futurecdn.net/PWg5DojS59u8hqFETcQGb8.jpg

https://www.space.com/satellites-watch-worlds-largest-iceberg-move