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  1. 2 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. There are intriguing clues that billions of years ago Mars was even more Earth-like than today.

  2. theskylive.commars-infoMars | TheSkyLive

    1 day ago · Mars is a terrestrial planet located fourth from the Sun in the Inner Solar System. It has a diameter of 6,779 kilometers and a mass of 6.39 x 10^23 kilograms, making it roughly half the size of Earth. Mars is a rocky planet with a thin atmosphere primarily composed of carbon dioxide, with trace amounts of nitrogen and argon.

  3. www.sciencedaily.com › news › space_timeMars News -- ScienceDaily

    2 days ago · Planet Mars News. Read astronomy articles on how Mars could have once supported life, the Mars Rover and more. See images and read full-text articles on Mars exploration.

  4. 1 day ago · Mars may face more than twice as many close encounters with potentially dangerous asteroids as Earth does, according to a new study. This could imperil exploratory missions to the Red Planet, but ...

  5. 5 days ago · The image shows an area of sand dunes on Mars in the springtime, when carbon dioxide frost is sublimating into the air. According to NASA , the pattern of dark spots is due to the fact that the ...

  6. 3 days ago · Mars has a clear structure in its mantel, and its crust includes distinct reservoirs, scientists have said. Those are the findings from meteorites that originated 1.3 billion years ago on the red planet, and have since made their journey the 140 million miles to us. They represent the only hands-on experience we have of Mars.

  7. 5 days ago · Iron oxide itself is not magnetic, but Mars does have a core of liquid iron. Our hosts are joined this episode by volcanologist Robin George Andrews to consider how a giant magnet would affect ...

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