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1. www.britannica.com › place › Mars-planetMars | Facts, Surface, Moons, Temperature, & Atmosphere

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   5 giorni fa · 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.

   • Outflow Channels and Oceans

     Mars - Outflow Channels, Oceans, Geology: Large flood...

   • The Atmosphere

     Mars - Atmosphere, Climate, Dust Storms: The Dutch American...

   • Mars as Seen From Earth

     Mars - Red Planet, Exploration, Mysteries: To the...

   • Meteorites From Mars

     Mars - Meteorites, Exploration, Origin: Scientists have...

   • Spacecraft Exploration

     Mars - Spacecraft, Exploration, Missions: Since the...

   • Human Exploration

     Mars - Exploration, Rovers, Astronauts: Human exploration is...

   • Polar Sediments, Ground Ice, Glaciers

     Mars - Polar Sediments, Ground Ice, Glaciers: At each pole...

   • Atmospheric Structure

     Mars - Atmosphere, Structure, Composition: The vertical...

2. en.wikipedia.org › wiki › March_31March 31 - Wikipedia

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   17 ore fa · March 31 is the 90th day of the year (91st in leap years) in the Gregorian calendar; 275 days remain until the end of the year. Events Pre-1600. 307 ...

3. spaceplace.nasa.gov › all-about-marsAll About Mars | NASA Space Place – NASA Science for Kids

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   5 giorni fa · Mars is a terrestrial planet. It is small and rocky. Mars has a thin atmosphere. Mars has an active atmosphere, but the surface of the planet is not active. Its volcanoes are dead. Time on Mars. One day on Mars lasts 24.6 hours. It is just a little longer than a day on Earth. One year on Mars is 687 Earth days.

4. spaceplace.nasa.gov › mars-spirit-opportunity › enThe Mars Rovers: Spirit and Opportunity - NASA Space Place

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   5 giorni fa · The Short Answer: What are the Spirit and Opportunity rovers? Spirit and Opportunity are twin rovers that were made to learn more about the planet Mars. After the success of the Sojourner rover, NASA wanted to send more rovers to learn about Mars. So, in 2003, they sent two rovers to the Red Planet. The rovers were named Spirit and Opportunity.

5. spaceplace.nasa.gov › planet-what-is › mars-curiosityThe Mars Rovers: Curiosity | NASA Space Place – NASA Science for...

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   5 giorni fa · Curiosity is a rover that was sent to Mars to determine if the Red Planet ever had the proper conditions for microbial life to survive.

6. Immagini

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7. fr.wikipedia.org › wiki › 1er_mars1er mars — Wikipédia

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   5 giorni fa · modifier. Le 1er mars est le 60e jour de chaque année commune du calendrier grégorien, le 61e lorsqu'elle est bissextile ; il en reste ensuite 305. C'était généralement le 11e jour du mois de ventôse dans le calendrier républicain ou révolutionnaire français, officiellement dénommé jour du narcisse .

8. zh.wikipedia.org › wiki › 火星火星 - 维基百科，自由的百科全书

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   5 giorni fa · 火星（拉丁語： Mars ；天文符號：♂），古称荧惑，是離太陽第四近的行星，也是太阳系中仅次于水星的第二小的行星，为太陽系里四顆類地行星之一。