Earth - The Blue Planet
The planet often called the blue planet is Earth. This nickname comes from the fact that when viewed from space, Earth appears predominantly blue due to its vast oceans covering approximately 71% of its surface.

Reasons Earth is called the Blue Planet:
- Oceans: Earth's oceans reflect blue light from the sun, giving the planet its blue appearance.
- Atmosphere: The Earth's atmosphere scatters sunlight in a way that makes the planet look blue from space.
- Water: The abundance of water on Earth, in both liquid and frozen forms, contributes to its blue coloration.

Significance of being the Blue Planet:
- Unique Feature: Earth's blue appearance sets it apart from other planets in our solar system.
- Importance of Water: The nickname highlights the significance of water for supporting life on Earth.
- Environmental Awareness: Calling Earth the blue planet serves as a reminder of the importance of protecting our oceans and water resources.
In conclusion, Earth is often referred to as the blue planet due to its striking blue appearance when seen from space, primarily caused by its oceans, atmosphere, and abundance of water. This nickname not only distinguishes Earth from other planets but also emphasizes the vital role water plays in sustaining life on our planet.