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  2. Mars - Wikipedia

    en.wikipedia.org/wiki/Mars

    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.

  3. Mars Facts - Science@NASA

    science.nasa.gov/mars/facts

    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 and weather.

  4. Mars - NASA Science

    science.nasa.gov/mars

    The fourth planet from the Sun, Mars, is one of Earth's two closest planetary neighbors (Venus is the other). Mars is one of the easiest planets to spot in the night sky — it looks like a bright red point of light.

  5. 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.

  6. In Depth | MarsNASA Solar System Exploration

    solarsystem.nasa.gov/planets/mars/in-depth.amp

    The fourth planet from the Sun, Mars is one of Earth's two closest planetary neighbors (Venus is the other). Mars is one of the easiest planets to spot in the night sky – it looks like a bright red point of light.

  7. Overview | MarsNASA Solar System Exploration

    solarsystem.nasa.gov/planets/mars/overview.amp

    Mars is the fourth planet from the Sun – a dusty, cold, desert world with a very thin atmosphere. Mars is also a dynamic planet with seasons, polar ice caps, canyons, extinct volcanoes, and evidence that it was even more active in the past.

  8. Making Mars’ Moons: Supercomputers Offer ‘Disruptive’ New ... -...

    www.nasa.gov/solar-system/planets/mars/making-mars-moons-supercomputers-offer...

    The latter explanation better accounts for the paths the moons travel today – in near-circular orbits that closely align with Mars’ equator. However, a giant impact ejects material into a disk that, mostly, stays close to the planet. And Mars’ moons, especially Deimos, sit quite far away from the planet and probably formed out there, too.

  9. Mars is the only planet we have sent rovers to. They drive around Mars, taking pictures and measurements. Learn more about them and what they have discovered by clicking the pictures below!

  10. Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, nicknamed The Red Planet. Mars is a terrestrial planet with caps of water and carbon dioxide . [ 5 ] [ 6 ] It has the largest volcano in the Solar System, and some very large impact craters .

  11. All About Mars - NASA

    www.nasa.gov/stem-content/all-about-mars

    Learn about Mars. Why is it red? How big is it? How long is its day? And more. All About Mars