SOLAR SYSTEM

UNIVERSE

PLANETARY FORMATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT true of all the inner planets?
A
they are made ofsolid rock
B
they are called gasgiants
C
they have norings
D
they have impactcraters
Explanation: 

Detailed explanation-1: -In this terminology, since Uranus and Neptune are primarily composed of ices, not gas, they are more commonly called ice giants and distinct from the gas giants.

Detailed explanation-2: -Gas giants may have a rocky or metallic core but the majority of their mass is in the form of gas (or gas compressed into a liquid state – to get an idea of what this could be like, think of liquid mercury in a thermometer).

Detailed explanation-3: -The temperature of the early solar system explains why the inner planets are rocky and the outer ones are gaseous.

There is 1 question to complete.