SOLAR SYSTEM

UNIVERSE

ASTEROIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
orbits a planet is and is made of rock
A
comet
B
asteroid
C
constellations
D
moon
Explanation: 

Detailed explanation-1: -Like many planets in our solar system such as Mercury, Venus, and Mars, the moon is a rocky body with a combination of metallic substances found within the layers of its surface. While the moon is mostly made of iron, other metals found on the moon are magnesium, aluminum, silicon, titanium, gold, silver, and mercury.

Detailed explanation-2: -The Moon is a planetary-mass object with a differentiated rocky body, making it a satellite planet under the geophysical definitions of the term and larger than all known dwarf planets of the Solar System.

Detailed explanation-3: -As the Moon came together, it was mostly or entirely molten. As this magma ocean cooled, minerals began to crystallize. Heavier minerals sank, while lighter ones floated to the top and formed the outer crust of the Moon.

Detailed explanation-4: -Earth and the other three inner planets of our solar system (Mercury, Venus and Mars) are made of rock, containing common minerals like feldspars and metals like magnesium and aluminum. So is Pluto. The other planets are not solid. Jupiter, for instance, is made up mostly of trapped helium, hydrogen, and water.

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