- Mars - Wikipedia
In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact (Mars 2) and first successful landing (Mars 3) on Mars Probes have been active on Mars continuously since 1997
- 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
- Mars | Facts, Surface, Moons, Temperature, Atmosphere . . .
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 | National Air and Space Museum
A Rocky Planet The planets closest to the Sun—Mars, Earth, Venus, and Mercury—are made mostly of rock The rocky planets all formed in our inner solar system Their geological history is preserved on their surfaces Their landscapes reveal the processes that shaped them: impacts, crustal movements, volcanic activity, and erosion Gravity, temperature, air, and water all play leading roles
- 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, the red planet - The Planetary Society
Mars once had liquid water on its surface and could have supported life Scientists are uncovering how Mars transformed into the cold, dry desert world it is today
- Mars - NASA Science
Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to explore the alien landscape NASA missions have found lots of evidence that Mars was much wetter and warmer, with a thicker atmosphere, billions of years ago
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