GK
SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many rocky planets are in the Solar System
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5
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4
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3
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2
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Explanation:
Detailed explanation-1: -In our solar system, Earth, Mars, Mercury and Venus are terrestrial, or rocky, planets.
Detailed explanation-2: -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.
Detailed explanation-3: -Mars: The solar system’s Red Planet Mars is the fourth planet from the sun.
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