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Named after the Roman god of war, it is often referred to as the "Red Planet" [1] [2] because the iron oxide prevalent on its surface gives it a reddish appearance. Mars is a terrestrial planet with a thin atmosphere , having surface features reminiscent both of the impact craters of the Moon and the valleys, deserts, and polar ice caps of Earth .
Mars is the fourth planet from the Sun.The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
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NEMES LASZLO/SCIENCE PHOTO LIBRARY / Getty Images. ... Mars will look grander and more vivid than usual, making it a great time to view the planet. How To View Mars in January 2025.
The mystery of Mars's interior has been revealed thanks to marsquakes. Using data compiled by NASA's InSight mission that has detected hundreds of marsquakes since landing on the red planet in ...
A 1962 map of Mars published by the U.S. Aeronautical Chart and Information Center, showing canals snaking through the Martian landscape.At the time, the existence of the canals was still highly controversial as no close-up pictures of Mars had been taken (until Mariner 4's flyby in 1965).
Original - Sunset on Mars. Photo taken by NASA's Mars Exploration Rover Spirit as the Sun sank below the rim of Gusev crater on Mars on May 19th, 2005. Because Mars is farther from the Sun than the Earth is, the Sun appears only about two-thirds the size that it appears in a sunset seen from the Earth.
Mars’s orbit is much more elliptical—with an aphelion, or furthest remove from the sun, of 155 million miles and a perihelion, or closest approach, of 128 million miles.