GENERAL KNOWLEDGE

Detailed explanation-1: -The planets Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth’s terra firma. The terrestrial planets are the four innermost planets in the solar system.

Detailed explanation-2: -We group the planets of our solar system into “inner” and “outer” planets. What’s the difference? Inner planets: the four closet to the sun. They are also called the “terrestrial planets” because they are made mostly of rock and metal.

Detailed explanation-3: -The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. After an asteroid belt comes the outer planets, Jupiter, Saturn, Uranus and Neptune.

Detailed explanation-4: -Statement 1: Mercury, Venus, Earth and Mars are known as inner planets. They have less number of moons or no moons. Statement 2: Jupiter, Saturn, Uranus and Neptune are known as outer planets.