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- Mars - Wikipedia
Mars is the fourth planet from the Sun It is also known as the " Red Planet ", for its orange-red appearance [22][23] Mars is a desert-like rocky planet with a tenuous atmosphere that is primarily carbon dioxide (CO2) At the average surface level the atmospheric pressure is a few thousandths of Earth 's, atmospheric temperature ranges from −153 to 20 °C (−243 to 68 °F), [24] and
- Mars - NASA Science
Mars is the fourth planet from the Sun, and the seventh largest It’s the only planet we know of inhabited entirely by robots
- Mars | Facts, Surface, Moons, Temperature, Atmosphere | Britannica
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
- Mars Facts | What Does Mars Look Like | All About Mars - Star Walk
Mars is the fourth planet from the Sun and the seventh largest planet in the Solar System With evidence suggesting that it once had flowing water, Mars holds many secrets waiting to be uncovered
- Mars, the red planet - The Planetary Society
Scientists are uncovering how Mars transformed into the cold, dry desert world it is today We explore Mars to understand the planet's history and look for evidence of past or even present life Is there life on Mars? This question has intrigued humans for centuries
- Mars Facts | All About Mars – NASA Mars Exploration
NASA’s real-time portal for Mars exploration, featuring the latest news, images, and discoveries from the Red Planet
- Mars: Facts - NASA Science
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
- What Time Is It on Mars? NIST Physicists Have the Answer.
NIST scientists have calculated that clocks on Mars will tick an average of 477 millionths of a second faster than clocks on Earth per day This calculation is necessary for future space navigation and communication networks Understanding how clocks tick on other planets also expands physicists’ knowledge of Einstein’s theories of relativity
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