CHILD DEVELOPMENT PEDAGOGY

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: -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.

Detailed explanation-3: -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-4: -Rocky planets are smaller than gas planets, but are made of heavier materials. There are four rocky planets in our Solar System: Mercury, Venus, Earth, and Mars. They are the closest planets to the Sun, and so are sometimes known as the inner planets.

Detailed explanation-5: -The temperature of the early solar system explains why the inner planets are rocky and the outer ones are gaseous. As the gases coalesced to form a protosun, the temperature in the solar system rose. In the inner solar system temperatures were as high as 2000 K, while in the outer solar system it was as cool as 50 K.