Why is the ocean blue?: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

Sailing the ocean blue

See All Images →

Topics

Sunlight Blue water ocean Who owns the oceans?Why do humans need water?Can the Cold Really Cause Trees to Explode?Which ocean is deeper: The Atlantic or the Pacific?Do fish drink water?What causes tides in the ccean?Does boiling water make it safe to drink?Ocean vs. Sea: What’s the Difference?iceberg Today in History—October 21: Magellan Finds a Route to the Pacific