Dec 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 radius of …

Nov 24, 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.

Its surface gravity is roughly a third of Earth's or double that of the Moon. Its diameter, 6,779 km (4,212 mi), is about half the Earth 's, or twice the Moon's, and its surface area is the size of all the dry land …

Diameter: 6794 km (about half the diameter of Earth) Surface area: 145 million sq km (about the same as Earth’s land area) Gravity: 3.711 m/s 2 (about one third of Earth’s gravity) Density: 3.93 g/cm 3 …

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.

Dec 1, 2025 · Mars has a diameter (distance from the center) 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 short …

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 km) away.

Mar 27, 2025 · Mars has a diameter of 6,779 kilometers (4,212 miles). Mars is the second-smallest planet in the solar system after Mercury. Ancient Egyptian astronomers made observations of Mars …

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 size of Earth! If …

3 days ago · Mars is the second smallest planet in the solar system, only larger than Mercury and slightly more than half the size of Earth. It has an equatorial radius of 3,396 km (2,110 miles) and a …