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They seem to be similar to C type asteroids or carbonaceous chondrites. That means they're made of rocky materials that never got hot enough to melt and differentiate.
Phobos, at least, seems rather light for its size, indicating that it may contain a substantial proportion of ices as well.
What else can I help you with?
Are mars' moons craters?
No. A crater is a circular depression in the ground made by an impact or explosion. The moons of Mars are captured asteroids.
How many moons does Mars have from when it was made to now?
Mars has about 2 moons. Phobos and Coibos whatever but they both mean panic and scare
Are Mars moons asteroids?
No because Mars has no moons
How many moons you have a Mars?
Mars has two moons.
How many moons does mars had?
mars has only 2 moons.
What planets has only two moons?
Mars has two moons.
Are there other moons in Mars?
Mars has two moons; Phobos and Deimos
How many moons das Mars has?
The planet Mars has 2 moons.
Does the planet Mars has any moons?
Mars has two known moons!!
How many moons does Mars have 2012?
Mars is having two moons.
How many moons from Mars?
Mars has two moons, Phobos and Deimos.
What is all Mars' moons?
Mars has two moons, Phobos and Deimos.
