SOLAR SYSTEM

Detailed explanation-1: -From top: Mercury, Venus, Earth and Mars. 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: -While the terrestrial planets are made of solid surfaces, the jovian planets are made of gaseous surfaces. Well, the jovian planets are less dense when compared to the terrestrial planets, because they are mainly composed of hydrogen gas.

Detailed explanation-3: -When compared to Earth, the Jovian planets are enormous. Jupiter is 11 times larger than Earth in diameter and is the biggest planet in our solar system. Saturn is the next largest, at nine times bigger than Earth. Uranus and Neptune are both roughly four times larger than Earth.

Detailed explanation-4: -The Jovian planets are larger than all other planets within the solar system and have many moons. Thus, option 2 is correct.