Sentinel satellite captures birth of behemoth iceberg / Sentinel-1 / Copernicus / Observing the Earth / Our Activities / ESA: Over the last few months, a chunk of Antarctica’s Larsen C ice shelf has been hanging on precariously as a deep crack cut across the ice. Witnessed by the Copernicus Sentinel-1 mission, a lump of ice more than twice the size of Luxembourg has now broken off, spawning one of the largest i…