Mars - Wikipedia
Mars is the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
Mars Facts - Science@NASA
Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to roam 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.
Mars | Facts, Surface, Moons, Temperature, & Atmosphere
4 天之前 · 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 - 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.
All About Mars | NASA Space Place – NASA Science for Kids
2024年11月8日 · Mars is sometimes called the Red Planet. It's red because of rusty iron in the ground. Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather. It has a very thin atmosphere made mostly of carbon dioxide, nitrogen, and argon. People would not be able to breathe the air on Mars. Explore Mars!
In Depth | Mars – NASA Solar System Exploration
Mars is one of the easiest planets to spot in the night sky – it looks like a bright red point of light. Despite being inhospitable to humans, robotic explorers – like NASA's new Perseverance rover – are serving as pathfinders to eventually get humans to the surface of the Red Planet.
Overview | Mars – NASA Solar System Exploration
Mars is the fourth planet from the Sun – a dusty, cold, desert world with a very thin atmosphere. Mars is also a dynamic planet with seasons, polar ice caps, canyons, extinct volcanoes, and evidence that it was even more active in the past.
Mars, the red planet: Facts and information - National Geographic
With a radius of 2,106 miles, Mars is the seventh largest planet in our solar system and about half the diameter of Earth. Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its...
Facts About Mars: Temperature, Gravity, Distance - Star Walk
2024年11月21日 · Mars is the second smallest planet in the Solar System – only Mercury is smaller. Let’s measure this planet and compare it to the Earth. Mars has a diameter of 6,792 km (4,220 miles); the planet’s circumference around the equator is 21,326 km (13,300 miles).
Mars Exploration - NASA Science
For over 60 years, NASA has been in pursuit of answering science's biggest questions – was, or is, Mars a habitable world? The key to understanding the past, present or future potential for life on Mars can be found in NASA’s four broad, overarching goals for Mars exploration.