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Mercury and Venus are terrestrial planets, and they are the only major planets without moons.

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13y ago

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Why don't terrestrial planets have rocky moons?

Terrestrial planets are formed close to their parent star where volatile materials are scarce, so their moons are typically composed of ice and rock. The rocky moons tend to form in the outer regions of the planetary system where there is more availability of rocky material.


Do rock planets or gas planets have more moons?

The gas planets have more moons. Of all the gas planets non has fewer than 14 moons. Of the rocky planets, none has more than two. Mercury and Venus have none at all.


Why do gas planets have more moons than rocky planets?

Gas planets have mor planets then rocky planets because rocky planets are like earth. Gas planets are just difrent in there own way. If im wrong tell me but im pretty sure that's why. they are larger so the gravity captures more satalites


Does gas planets have gas moons?

Gas giants like Jupiter and Saturn do not have gas moons in the same way that they have gas atmospheres. Moons are typically rocky or icy bodies that orbit planets, and they are not composed primarily of gases like the planets themselves. So while gas giants have many diverse moons, none are composed entirely of gas.


What are solid objects that orbit the planets?

Solid objects that can orbit planets are called moons. Moons are natural satellites that orbit around planets in a similar way that planets orbit around stars. Moons can range in size from small rocky bodies to larger worlds with their own atmospheres.


Only rocky planet to have more than one moon?

There are four terrestrial, or rocky, planets: Mercury, Venus, Earth and Mars. Of these planets, only Mars has two moons.


Which planets are small and rocky?

Mercury, Venus, Earth, mars, Earth's moon, Mar's moons, Ceres


What are asteroid belts made of?

Pieces of rocks made of minerals similar to those that are formed the rocky planets and moons.


How many moons do the suns have?

The Sun has no moons. Moons orbit Planets > Planets orbit the Sun.


What are moons to planets?

Moons are satellites of planets.


What are 3 differences between the outer and inner planets?

The inner planets are small, the outer planets are huge in comparison.The inner planets have rocky surfaces, the outer planets are gas giants.All of the outer planets have rings. None of the inner planets does.All of the outer planets have several moons, some of them quite large.


What are small bodies that orbit planets called?

Satellites Moons Asteroids depending on the nature of the question