- Mars - Wikipedia
Mars formed along with the other planets approximately 4 5 billion years ago During the martian Noachian period (4 5 to 3 5 billion years ago), its surface was marked by meteor impacts, valley formation, erosion, the possible presence of water oceans and the loss of its magnetosphere
- 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 | 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, the red planet - The Planetary Society
Mars, the red planet Highlights 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 We explore Mars to understand the planet's history and look for evidence of past or even present life
- 39 Mars facts, discoveries and images - BBC Sky at Night Magazine
A guide to the Red Planet, Mars, including facts about its geology, a history of Mars missions and images captured by astrophotographers
- 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 in their geological stories Read about how the rocky planets got their shapes
- 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 - Fourth Planet From the Sun - Science Notes and Projects
Mars is the red-colored fourth planet from the Sun While not Earth’s twin in size or composition (a title often attributed to Venus), it is the most habitable of the other planets in the Solar System
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