Jan 19, 2026 · 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 …

Mars retains some water, in the ground as well as thinly in the atmosphere, forming cirrus clouds, fog, frost, larger polar regions of permafrost and ice caps (with seasonal CO2 snow), but no bodies of …

Mar 13, 2026 · Mars has only 28 percent of the surface area of Earth, but, because more than two-thirds of Earth is covered by water, the land areas of the two planets are comparable.

A text box covers the surface of Mars: “The surface of Mars in this video is made of images taken by different space missions, not simulations. When we knit all these images together, it creates the …

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 …

Mars may appear barren at first glance, but its surface tells a rich story spanning billions of years. The planet’s geology reveals a dynamic history of volcanic eruptions, massive impacts, tectonic forces, …

Mar 27, 2025 · Mars is the fourth planet from the Sun in the solar system. Mars exhibits a reddish hue caused by iron oxide on its surface. It has a thin atmosphere, diverse surface features such as …

6 days ago · Mars has a layered interior much like Earth: a rocky crust on the outside, a thick silicate mantle in the middle, and an iron-rich core at the center. But thanks to NASA’s InSight lander, which …

Mars has a large, dark patch on its surface, known as the Syrtis Major Planum. It reaches around 1,500 kilometres north from the equator and is around 1,000 kilometres in width.

The surface of Mars can be divided into two parts: low, young, uncratered plains that cover most of the northern hemisphere, and high-standing, old, heavily cratered areas that cover the southern …