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: -Terrestrial planets (Earth sized and smaller) are rocky worlds, composed of rock, silicate, water and/or carbon.

Detailed explanation-3: -The four inner, or terrestrial, planets-Mercury, Venus, Earth, and Mars-have rocky compositions and densities greater than 3 grams per cubic cm. (Water has a density of 1 gram per cubic cm.) In contrast, the four outer planets, also called the Jovian, or giant, planets-Jupiter, Saturn, Uranus, and Neptune-are large…

Detailed explanation-4: -A terrestrial planet, telluric planet, solid planet, or rocky planet, is a planet that is composed primarily of silicate rocks or metals. Within the Solar System, the terrestrial planets accepted by the IAU are the inner planets closest to the Sun: Mercury, Venus, Earth and Mars.

Detailed explanation-5: -The four innermost planets are referred to as terrestrial planets and have characteristics like liquid heavy-metal core, at least one moon, and valleys, volcanoes, and craters. These are all Earth-like features; thus, Earth is a terrestrial planet.

Detailed explanation-6: -So far scientists have categorized exoplanets into the following types: Gas giant, Neptunian, super-Earth and terrestrial.