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  2. Climate of Mars - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Mars

    Climate of Mars. Mars' cloudy sky as seen by Perseverance rover in 2023, sol 738. The climate of Mars has been a topic of scientific curiosity for centuries, in part because it is the only terrestrial planet whose surface can be easily directly observed in detail from the Earth with help from a telescope. Although Mars is smaller than the Earth ...

  3. Atmosphere of Mars - Wikipedia

    en.wikipedia.org/wiki/Atmosphere_of_Mars

    The atmosphere of Mars is the layer of gases surrounding Mars. It is primarily composed of carbon dioxide (95%), molecular nitrogen (2.85%), and argon (2%). [3] It also contains trace levels of water vapor, oxygen, carbon monoxide, hydrogen, and noble gases. [3][5][2] The atmosphere of Mars is much thinner and colder than Earth's having a max ...

  4. Terraforming of Mars - Wikipedia

    en.wikipedia.org/wiki/Terraforming_of_Mars

    Current conditions in the Martian atmosphere, at less than 1 kPa (0.15 psi) of atmospheric pressure, are significantly below the Armstrong limit of 6 kPa (0.87 psi) where very low pressure causes exposed bodily liquids such as saliva, tears, and the liquids wetting the alveoli within the lungs to boil away.

  5. Ingenuity (helicopter) - Wikipedia

    en.wikipedia.org/wiki/Ingenuity_(helicopter)

    Ingenuity, nicknamed Ginny, is an autonomous NASA helicopter that operated on Mars from 2021 to 2024 as part of the Mars 2020 mission. Ingenuity made its first flight on April 19, 2021, demonstrating that flight is possible in the extremely thin atmosphere of Mars, and becoming the first aircraft to conduct a powered and controlled extra-terrestrial flight.

  6. Life on Mars - Wikipedia

    en.wikipedia.org/wiki/Life_on_Mars

    Life on Mars. The possibility of life on Mars is a subject of interest in astrobiology due to the planet 's proximity and similarities to Earth. To date, no conclusive evidence of past or present life has been found on Mars. Cumulative evidence suggests that during the ancient Noachian time period, the surface environment of Mars had liquid ...

  7. Exploration of Mars - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Mars

    The Mars 1M programs (sometimes dubbed Marsnik in Western media) was the first Soviet uncrewed spacecraft interplanetary exploration program, which consisted of two flyby probes launched towards Mars in October 1960, Mars 1960A and Mars 1960B (also known as Korabl 4 and Korabl 5 respectively).

  8. Geology of Mars - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Mars

    The geology of Mars is the scientific study of the surface, crust, and interior of the planet Mars. It emphasizes the composition, structure, history, and physical processes that shape the planet. It is analogous to the field of terrestrial geology. In planetary science, the term geology is used in its broadest sense to mean the study of the ...

  9. Emirates Mars Mission - Wikipedia

    en.wikipedia.org/wiki/Emirates_Mars_Mission

    The Emirates Mars Mission was the first of the three to arrive at Mars, performing a successful orbit entry maneuver on 9 February 2021. [12] [13] On 9 February 2021, the United Arab Emirates became the first Arab country and the fifth country to reach Mars and the second country to successfully enter Mars' orbit on its first try after India.