0 ore 43 min, 6 agos 1886 anni - Expeditions of Alexander Agassiz
Descrizione:
Alexander's voyages led to an amount of research rivaling that of the Challenge expedition from depths down to 4,240 meters below sea level.
Aggiunto al nastro di tempo:
Data:
0 ore 43 min, 6 agos 1886 anni
Adesso
~ 139 years ago