Why Is Earth Called the Blue Planet?

April 21, 2023

By Shreesha Ghosh

Image Source: Pexels

Have you ever wondered why Earth is called the blue planet? In this visual story, we'll explore the stunning beauty of our planet from space and discover how its oceans, lakes and rivers create a vibrant blue hue that can be seen from millions of miles away.

Image Source: Pexels

Water, water everywhere

Water covers over 71% of Earth's surface in various forms, from vast oceans to frozen glaciers. Its presence has allowed for the emergence and survival of life, making it a precious and irreplaceable resource.

Image Source: Pexels

The purest form

Rainwater is Earth's purest water source, free from additives or pollutants. It is a valuable resource for human consumption and ecosystem survival.

Image Source: Pexels

Earth’s rivers and lakes

Freshwater from rivers and lakes also covers parts of the Earth's surface, providing essential resources for human consumption and diverse ecosystems.

Image Source: Pexels

Oceans make the most of it

The ocean contains 97% of Earth's water, making up over 70% of our planet's surface. It plays a vital role in regulating Earth's climate and is home to an incredibly diverse range of aquatic life.

Image Source: Pexels

Glaciers and ice caps

Approximately 2% of Earth's water exists outside the ocean, mostly frozen in glaciers and ice caps. Despite its small quantity, it plays a crucial role in regulating sea levels and sustaining freshwater ecosystems.

Image Source: Pexels

Blue planet

A planet's water source availability is determined by its mass, chemical composition and location. Earth's possession of these factors is why it's known as the Blue Planet, boasting an abundance of water in oceans, lakes and rivers visible from space.