Sep 10, 2025 · Mars is a small planet, larger than only Mercury and slightly more than half the size of Earth. Its equatorial radius measures 3,396 kilometers (2,110 miles), with a mean polar …

Jul 15, 2025 · With a radius of 2,106 miles (3,390 kilometers), Mars is about half the size of Earth. If Earth were the size of a nickel, Mars would be about as big as a raspberry. From an average …

Its surface gravity is roughly a third of Earth's or double that of the Moon. It is about half as wide as Earth or twice the Moon, with a diameter of 6,779 km (4,212 mi), and has a surface area …

Aug 2, 2012 · Mars is about half (53 percent) the size of Earth, but because Mars is a desert planet, it has the same amount of dry land as Earth.

Oct 20, 2023 · Size: Mars is about 4,212 miles (6,779 kilometers) in diameter. Distance from the Sun: Mars is the fourth planet from the Sun and orbits roughly 142 million miles (229 million …

Mar 28, 2025 · Mars has a diameter (distance from the middle) of almost 6.791 kilometers, and it is roughly 50% of the Earth’s size. Mars is more likely to be struck by asteroid belt debris and …

Dec 21, 2008 · The volume of Mars is equal to 15% of Earth's and the Red Planet's mass is 11% of Earth's. As you can see, Mars is a small world, the second smallest in the Solar System.

Sep 29, 2025 · The diameter of Mars is only about half of the Earth’s diameter, which is 12,742 km (7,917 miles). Also, Mars is only about two times bigger than our Moon, which is 3,474 km …

Mars is not the largest planet in our solar system, but it's not the smallest either. Mars has a radius of 3,389.5 kilometers, or 2,106 miles. To give you a better idea, that's about half the …

Mar 27, 2025 · Mars has a diameter of 6,779 kilometers (4,212 miles), making it the second-smallest planet in the solar system after Mercury. The planet’s composition includes a dense …