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  1. Mars - Wikipedia

    Mars formed along with the other planets approximately 4.5 billion years ago. During the martian Noachian period (4.5 to 3.5 billion years ago), its surface was marked by meteor impacts, …

  2. Mars: Facts - NASA Science

    Nov 24, 2025 · Mars – the fourth planet from the Sun – is a dusty, cold, desert world with a very thin atmosphere. This dynamic planet has seasons, polar ice caps, extinct volcanoes, canyons …

  3. Mars | Facts, Surface, Moons, Temperature, & Atmosphere

    4 days ago · Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. …

  4. Mars Photo Reveals the Red Planet in "True Color" from Orbit for …

    4 days ago · Mars Photo Reveals the Red Planet in “True Color” from Orbit for the First Time—and It’s Not All Red Mars has never looked like this. After two decades in orbit, a …

  5. Mars Facts - Fourth Planet From the Sun - Science Notes and …

    Dec 18, 2024 · Mars is the red-colored fourth planet from the Sun. While not Earth’s twin in size or composition (a title often attributed to Venus), it is the most habitable of the other planets in …

  6. 39 Mars facts, discoveries and images - BBC Sky at Night Magazine

    May 20, 2025 · A guide to the Red Planet, Mars, including facts about its geology, a history of Mars missions and images captured by astrophotographers.

  7. Mars, the red planet - The Planetary Society

    Mars, the red planet Highlights Mars once had liquid water on its surface and could have supported life. Scientists are uncovering how Mars transformed into the cold, dry desert world …

  8. Planet Mars - Natural History Museum

    Mars is the fourth planet from the Sun, orbiting at an average of 228 million kilometres away from the star. The planet moves at a speed of around 24 kilometres per second, making it slightly …

  9. Mars: Facts about the Red Planet, its moons, and possibilities for life

    Apr 4, 2025 · Discover interesting facts about Mars, its moons, its atmosphere, and the possibilities of life.

  10. Mars planet - Canadian Space Agency

    Mars is the fourth planet from the Sun in our solar system. Scientists believe that all of the planets were created just over 4.5 billion years ago. The solar system began as a large cloud of gas, …