Do You Know: Why Is The Ocean Blue?
By Jasreet Kaur
20, Feb 2025 01:00 PM
jagranjosh.com
Do you know?
The ocean looks blue because of how water absorbs and reflects light. Let’s find out the simple science behind it!
Light Absorption
Water absorbs red and orange light but reflects blue light, making the ocean look blue. This is why deeper waters appear darker.
Sky Reflection
The ocean sometimes looks blue because it reflects the sky, especially on clear days. However, this effect is minor compared to light absorption.
Depth Effect
Deep water looks darker blue because less light reaches the bottom. Shallow waters may appear turquoise due to sunlight bouncing off the seabed.
Particles in Water
Tiny particles and plankton change the ocean’s color, making it look green or brown sometimes. This is common in nutrient-rich coastal waters.
Glacial Waters
In icy areas, tiny rock particles make the ocean look milky blue. This happens when glaciers grind rocks into fine dust.
Bioluminescence
Some sea creatures glow, making the ocean shine blue at night. This can be seen in places like the Maldives or Puerto Rico.
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