Why is there a size difference between Earth and Mars?

Answer 1

mars' surface area is 144,798,500 km2 that is around 28% the size of earth.

mars' equatorial radius is 3,396 about 53% of the earth's

polar radius is 3,376 km slightly closer to 53% of earth's

and since orbits where brought up by a previous answer,

mar's semi major axis or the line that runs though the most space inside the elliptical or egg shape orbit is 227,939,100 km or about 150-160% of the earths.

mars orbits the sun just under 687 earth days. compared to 365 earth days for earth.

and finally it orbits the sun at 24.077 km per second ruffly 5.7km per second slower then earth at 29.78km per second

Answer 2

The size difference between Earth and Mars is due to their formation processes. Earth is larger because it underwent more accretion of material during its formation, whereas Mars had less material available and thus ended up smaller. Additionally, Earth's stronger gravitational pull allowed it to retain more of its original material compared to Mars.

Answer 3

Because gravity pulled 75 percent of the solar systems rocky material closer to the sun. Mars is a left overs planet because of this.

Answer 4

Mars is 53% as large as Earth

Earths diameter is 7,962 miles / 12,379 km

Mars diameter is 4,222 miles / 6,794 km

Answer 5

Earth has about 1.9 times the surface area of Mars.

Earth-12,756 km

Mars-6,788 km

Answer 6

mars is smaller in volume than earth