Question

The planet known as the 'Blue Planet' is

• A. Jupiter
• B. Saturn
• C. Venus
• D. Earth

Hint:

Planetary Nicknames: - Earth: Blue Planet (due to oceans), Living Planet. - Mars: Red Planet (due to iron oxide/rust on its surface). - Venus: Morning Star, Evening Star (due to its brightness and visibility). - Jupiter: King of Planets (largest). - Saturn: Ringed Planet.

Answer 1

The Correct Option is D

Step 1: Understand the nickname "Blue Planet".
This nickname is given to a planet primarily due to its appearance from space.

Step 2: Consider the appearance of the listed planets.
- Jupiter: Known for its bands of clouds, Great Red Spot.
Appears striped with various colors (oranges, browns, whites).
- Saturn: Known for its prominent rings.
Appears pale yellow/butterscotch.
- Venus: Covered in thick, yellowish-white clouds of sulfuric acid, giving it a bright, uniform appearance.
- Earth: When viewed from space, Earth appears predominantly blue due to the vast oceans covering about 71% of its surface.
White clouds are also prominent.

Step 3: Identify the "Blue Planet".
Earth is famously known as the "Blue Planet" because of the abundance of water on its surface.
This matches option (4).