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Mars' radius is 3376 km, the core (inner and outer combined) has a radius of 3482 km. They're close.

Comment: I guess the question is about the Earth's core. The answer fits that.

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What is Mars' core composed of?

it has the same core as earth, just on another planet


Crust mantle and core of mars?

Crust and Surface: Mars' surface is composed mostly of iron-rich basaltic rock (an igneous rock). Mars has a thin crust, similar to Earth's.Mantle: Silicate rock, probably hotter than the Earth's mantle at corresponding depths.Core: The core is made of iron and sulphides and has a radius of 800-1,500 miles (1,300-2,400 km). Crust and Surface: Mars' surface is composed mostly of iron-rich basaltic rock (an igneous rock). Mars has a thin crust, similar to Earth's.Mantle: Silicate rock, probably hotter than the Earth's mantle at corresponding depths.Core: The core is made of iron and sulphides and has a radius of 800-1,500 miles (1,300-2,400 km).


How can information from the size and shape of the Earth's core be used to measure its properties?

The size and shape of the Earth's core can be used to measure its properties by studying seismic waves that pass through the Earth. By analyzing how these waves travel and are affected by the core's size and shape, scientists can determine important properties such as density, composition, and temperature of the core.


Who has greater gravity Mars or Earth?

Earth is more massive than Mars and therefore has greater gravity.


Why do astronomers conclude that the crust on mars is thicker than earth's crust?

Astronomers believe that Mars' crust is thicker than Earth's because of its lower overall planetary size and cooling rate. This slower cooling allowed the thickness of Mars' crust to increase before it solidified, resulting in a thicker crust compared to Earth's. Additionally, Mars lacks plate tectonics, which can resurface and redistribute material on Earth's crust, contributing to its thinner nature.