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Which of the following is NOT a terrestrial planet?
Question

Which of the following is NOT a terrestrial planet?

A.

Mars

B.

Uranus

C.

Venus

D.

Earth

Correct option is B

The Correct Answer is: (B) Uranus
Explanation:
A terrestrial planet is a planet that has a solid, rocky surface and is composed primarily of metals and silicate rocks.
The four terrestrial planets in our solar system are Mercury, Venus, Earth, and Mars.
 It is primarily composed of hydrogen, helium, and methane, with a thick atmosphere and an icy core.
Uranus belongs to the outer solar system and is considered an ice giant because of its high concentration of icy elements like water, ammonia, and methane.
Information Booster:

The planets in our solar system are categorized into two types:

  1. Terrestrial Planets (Rocky Planets):

    • Mercury, Venus, Earth, Mars
    • Small, dense, with solid surfaces
    • Composed mainly of rock and metal
    • Have few or no moons and no rings
  2. Jovian Planets (Gas/Ice Giants):

    • Jupiter, Saturn (Gas Giants)
    • Uranus, Neptune (Ice Giants)
    • Large, mostly made of gas with no solid surface
    • Have many moons and ring systems
Additional Knowledge:
  • Mars: A terrestrial planet known as the "Red Planet" due to its iron-rich surface. It has a thin atmosphere mostly made of carbon dioxide.
  • Venus: A terrestrial planet with a thick, toxic atmosphere rich in carbon dioxide, causing a runaway greenhouse effect.
  • Earth: The only terrestrial planet known to support life, with a stable atmosphere, liquid water, and a protective magnetic field.
  • Uranus: A gas/ice giant that rotates on its side, possibly due to a massive collision in its past. It has faint rings and 27 known moons.

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