1 h 37 m, 27 jul 1951 año - Deepest Ocean Point Founded
Descripción:
The British ship Challenger II bounces sounds waves off the ocean bottom and located what appears to be the sea’s deepest point. It was called the Challenger Deep, and was later named Marianas Trench. This is important because it gave discovery to the deepest part of the ocean.Añadido al timeline:
fecha:
1 h 37 m, 27 jul 1951 año
Ahora mismo
~ 72 years ago
