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    Mars - Wikipedia

    https://en.wikipedia.org/wiki/Mars

    Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, being larger than only Mercury. In English, Mars carries the name of the Roman god of war and is often referred to as the "Red Planet". The latter refers to the effect of the iron oxide prevalent on Mars's

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    Physical characteristics

    Mars is approximately half the diameter of Earth, with a surface area only slightly less than the total area of Earth's dry land. Mars is less dense than Earth, having about 15% of Earth's volume and 11% of Earth's

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    Orbit and rotation

    Mars's average distance from the Sun is roughly 230 million km (143 million mi), and its orbital period is 687 (Earth) days. The solar day (or sol) on Mars is only slightly longer than an

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    Habitability and search for life

    During the late nineteenth century, it was widely accepted in the astronomical community that Mars had life-supporting qualities, including oxygen and water. However, in 1894 W. W. Campbell at Lick Observatoryobserved the planet and found that "if water vapor or

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    Exploration

    Dozens of crewless spacecraft, including orbiters, landers, and rovers, have been sent to Mars by the Soviet Union, the United States, Europe, India, the United Arab Emirates, and China to study the planet's surface, climate, and geology.
    Once

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    Viewing

    The mean apparent magnitude of Mars is +0.71 with a standard deviation of 1.05. Because the orbit of Mars is eccentric, the magnitude at

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    Historical observations

    The history of observations of Mars is marked by the oppositions of Mars when the planet is closest to Earth and hence is most easily visible, which occur every couple of years. Even more notable are the perihelic oppositions of Mars, which are distinguished because

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    Moons

    Mars has two relatively small (compared to Earth's) natural moons, Phobos (about 22 kilometres (14 mi) in diameter) and Deimos(about

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  4. Overview | Mars – NASA Solar System Exploration

    https://solarsystem.nasa.gov/planets/mars/overview

    Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to roam the alien landscape. NASA currently has two rovers (Curiosity and Perseverance), one lander (), and one helicopter exploring the surface of Mars.Perseverance rover – the largest, most advanced rover NASA has sent to another world – touched down on Mars …

  6. Mars Facts | All About Mars - NASA’s Mars Exploration ...

    https://mars.nasa.gov/all-about-mars/facts

    NASA’s real-time portal for Mars exploration, featuring the latest news, images, and discoveries from the Red Planet.

  7. Mars 101 | National Geographic - YouTube

    https://www.youtube.com/watch?v=D8pnmwOXhoY

    31/05/2018 · From its blood-like hue to its potential to sustain life, Mars has intrigued humankind for thousands of years. Learn how the red planet formed from gas and d...

    • Tác giả: National Geographic
    • Lượt xem: 3M
    • Thời lượng Video: 4 phút

  8. Mars Facts - Interesting Facts about Planet Mars

    https://space-facts.com/mars

    20/10/2015 · Mars is the fourth planet from the Sun and is the second smallest planet in the solar system. Named after the Roman god of war, Mars is also often described as the “Red Planet” due to its reddish appearance. Mars is a terrestrial planet with a thin atmosphere composed primarily of carbon dioxide.

    • Equatorial Diameter: 6,792 km
    • Moons: 2 ( Phobos & Deimos)
    • Mass: 6.39 × 10^23 kg(0.11 Earths)
    • Polar Diameter: 6,752 km

  9. Mars Facts - The Nine Planets

    https://nineplanets.org/mars

    25/09/2019 · Mars is the fourth planet from the Sun and the second-smallest planet with a thin atmosphere, having the surface features reminiscent both of the impact craters of the Moon, and the valleys, deserts and polar ice caps of Earth.It is the most widely searched planet for life.

  10. New: Mars In 4K - YouTube

    https://www.youtube.com/watch?v=ZEyAs3NWH4A

    17/07/2020 · A world first. New footage from Mars rendered in stunning 4K resolution. We also talk about the cameras on board the Martian rovers and how we made the video...

    • Tác giả: ElderFox Documentaries
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  11. Mars | Facts, Surface, Moons, Temperature, & Atmosphere ...

    https://www.britannica.com/place/Mars-planet

    15/12/2021 · Mars, fourth planet in the solar system in order of distance from the Sun and seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. Mars is designated by the symbol ♂. Mars. An especially serene view of Mars (Tharsis side), a composite of images taken by the Mars Global Surveyor spacecraft in April 1999.

    • eccentricity of orbit: 0.093
    • mean distance from Sun: 227,943,824 km (1.5 AU)
    • inclination of orbit to ecliptic: 1.85°
    • visual magnitude at mean opposition: −2.01

  12. Google Mars

    https://www.google.com/mars

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  13. Mars (Planet) – Wikipedia

    https://de.wikipedia.org/wiki/Mars_(Planet)

    Der Mars ist, von der Sonne aus gezählt, der vierte Planet im Sonnensystem und der äußere Nachbar der Erde. Er zählt zu den erdähnlichen (terrestrischen) Planeten.
    Sein Durchmesser ist mit knapp 6800 Kilometern etwa halb so groß wie der der Erde, sein Volumen beträgt gut ein Siebtel des Erdvolumens. Damit ist der Mar…

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