SOLAR SYSTEM

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: -This activity will emphasize that the planets fall into two compositional groups: the terrestrial (rock-like) planets (Mercury, Venus, Earth, Mars, and Pluto) and the gas planets (Jupiter, Saturn, Uranus, and Neptune).

Detailed explanation-3: -Thus, terrestrial planets can be described as planets that are earth-like in nature, meaning those that are similar in composition and structure to that of the earth. They are also known as ‘telluric planets’ or ‘rocky planets’.

Detailed explanation-4: -Unlike the terrestrial planets that make up our inner solar system-Mercury, Venus, Earth, and Mars-the Jovian planets do not have solid surfaces. Instead, they are composed primarily of hydrogen and helium, with traces of methane, ammonia, water, and other gases in their atmospheres.

Detailed explanation-5: -Inner planets: the four closet to the sun. They are also called the “terrestrial planets” because they are made mostly of rock and metal. Outer planets: the four farthest from the sun.