10 mars#sciences et techniques wikipedia - EAS

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    Mars Science Laboratory - Wikipedia

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

    Mars Science Laboratory (MSL) is a robotic space probe mission to Mars launched by NASA on November 26, 2011, which successfully landed Curiosity, a Mars rover, in Gale Crater on August 6, 2012. The overall objectives include investigating Mars' habitability, studying its climate and … 查看更多內容

    Overview

    MSL successfully carried out the most accurate Martian landing of any known spacecraft at the time, hitting a small target landing ellipse of only 7 by 20 km (4.3 by 12.4 mi), in the Aeolis Palus region of Gale Crater. … 查看更多內容

    Goals and objectives圖片
    Launch圖片
    Specifications

    Spacecraft
    The spacecraft flight system had a mass at launch of 3,893 kg (8,583 lb), consisting of an Earth-Mars fueled cruise stage (539 kg (1,188 lb)), the … 查看更多內容

    Launch

    Launch vehicle
    The Atlas V launch vehicle is capable of launching up to 8,290 kg (18,280 lb) to geostationary transfer orbit. The Atlas V was also used to launch the Mars Reconnaissance Orbiter and the New Horizons 查看更多內容

    Entry, descent and landing (EDL)

    EDL spacecraft system
    Landing a large mass on Mars is particularly challenging as the atmosphere is too thin for 查看更多內容

    概觀圖片
    Specifications圖片
    Goals and objectives

    The MSL mission has four scientific goals: Determine the landing site's habitability including the role of water, the study of the climate and the geology of Mars. It is also useful preparation for a future human mission to Mars.
    To contribute to … 查看更多內容

    History圖片
    Entry, descent and landing (EDL)圖片
    History

    The Mars Science Laboratory was recommended by United States National Research Council Decadal Survey committee as the top priority middle-class Mars mission in … 查看更多內容

    Cruise

    Cruise stage
    The cruise stage carried the MSL spacecraft through the void of space and delivered it to Mars. The interplanetary trip covered the … 查看更多內容

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  2. 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 the English language, Mars is named for the Roman god of war. Mars is a terrestrial planet with a thin atmosphere (less than 1% that of Earth's), and has a crust primarily composed of elements similar to Earth's crust, as well as a core made of iron and nickel. Mars has surface fe…

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    • Surface pressure: 0.636 (0.4–0.87) kPa, 0.00628 atm
    • Equatorial rotation velocity: 241 m/s, (870 km/h; 540 mph)
    • Average orbital speed: 24.07 km/s, (86700 km/h; 53800 mph)
    • Sidereal rotation period: 1.025957 d, 24ʰ 37ᵐ 22.7ˢ

  3. Mars Technologies - NASA Mars

    https://mars.nasa.gov/mars2020/mission/technology

    網頁The Mars 2020 rover mission uses various new technologies during entry, descent, and landing: Range Trigger - for precise timing of the parachute Terrain-Relative Navigation - …

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    Which rover carries two technology demonstrations to Mars?
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  4. Mars: The Secret Science - Wikipedia

    https://en.wikipedia.org/wiki/Mars:_The_Secret_Science
    • Mars: The Secret Science looks at how scientists and modern explorers are working to get humans to Mars. The series both explores Mars and chronicles how the National Aeronautics and Space Administration (NASA) is building rockets and spacecraft to carry astronauts there and how technology visionaries are designing Martian colonies. The series also...
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  5. Composition of Mars - Wikipedia

    https://en.wikipedia.org/wiki/Composition_of_Mars
    Image
    Mars is differentiated, which—for a terrestrial planet—implies that it has a central core made up of metallic iron and nickel surrounded by a less dense, silicate mantle and crust. Like Earth, Mars appears to have a molten iron core, or at least a molten outer core.However, there does not appear to be convec…
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  6. 大家還會問
    What is the Mars Science Laboratory?The Mars Science Laboratory, named Curiosity, launched on 26 November 2011, and reached Mars on 6 August 2012 UTC. It is larger and more advanced than the Mars Exploration Rovers, with a movement rate up to 90 metres (300 ft) per hour.

    Mars - Wikipedia

    en.wikipedia.org/wiki/Mars
    What is Mars Mars?Mars ( prononcé en français : /maʁs/) est la quatrième planète du Système solaire par ordre croissant de la distance au Soleil et la deuxième par ordre croissant de la taille et de la masse.

    Mars (planète) — Wikipédia

    fr.wikipedia.org/wiki/mars_(plan%c3%a8te)
    What new technologies are used to land on Mars?Many innovations focus on entry, descent, and landing technologies, which help ensure precise and safe landings. They include sensors to measure the atmosphere, cameras and a microphone, and at least two key ways to reach the surface of Mars with greater accuracy and less risk (Range Trigger and Terrain-Relative Navigation).

    Mars Technologies - NASA Mars

    mars.nasa.gov/mars2020/mission/technology/
    How does Mars 2020's new precision landing technique work?The key to the new precision landing technique is choosing the right moment to pull the "trigger" that releases the spacecraft's parachute. "Range Trigger" is the name of the technique that Mars 2020 uses to time the parachute's deployment.

    Mars Technologies - NASA Mars

    mars.nasa.gov/mars2020/mission/technology/
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  7. 10 mars — Wikiberal

    https://www.wikiberal.org/wiki/10_mars

    網頁Le 10 mars est le 69 e jour de l'année (70 e en cas d'année bissextile) du calendrier grégorien. 1496 : Christophe Colomb laisse le gouvernement d’Hispaniola à son frère …

  8. 火星 - 維基百科，自由的百科全書

    https://zh.wikipedia.org/zh-tw/火星

    網頁2022/11/23 · 10 ppb 甲烷 火星（拉丁語：Mars；天文符號：♂），古稱熒惑，是離太陽第四近的行星，也是太陽系中僅次於水星的第二小的行星，為太陽系里四顆類地行星之一。 …

  9. Mars (planète) — Wikipédia

    https://fr.wikipedia.org/wiki/Mars_(planète)

    網頁Mars (prononcé en français : /maʁs/) est la quatrième planète du Système solaire par ordre croissant de la distance au Soleil et la deuxième par ordre croissant de la taille et de la …

  10. Études des sciences et des techniques — Wikipédia

    https://fr.wikipedia.org/wiki/Études_des_sciences_et_des_techniques

    網頁Les études des sciences et des techniques, mieux connues dans le monde anglo-saxon sous le nom de Science and technology studies ( STS ou S&TS) sont un domaine de …

  11. Mars Sciences

    marssciences.com

    網頁mars sciences llc is a startup company engaged in research and development of the next generation of diagnostic devices based on patented superparamagnetic particle imaging …

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