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  1. 5 days ago · 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.

  2. Overview. 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.

  3. Mars is no place for the faint-hearted. It’s dry, rocky, and bitter cold. The fourth planet from the Sun, Mars is one of Earth's two closest planetary neighbors (Venus is the other). Mars is one of the easiest planets to spot in the night sky – it looks like a bright red point of light.

  4. 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. 3:27. Mars rotates on ...

  5. Jul 30, 2020 · The Mars 2020 Perseverance Rover searches for signs of ancient microbial life, to advance NASA's quest to explore the past habitability of Mars. The rover is collecting core samples of Martian rock and soil (broken rock and soil), for potential pickup by a future mission that would bring them to Earth for detailed study.

  6. Apr 22, 2024 · 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.

  7. Sep 16, 2021 · This interactive web tool features a 3D model of the rover on 3D landscape created from real images taken by Perseverance. Credits: NASA/JPL-Caltech. Two interactive web experiences let you explore the Martian surface, as seen by cameras aboard the rover and orbiters flying overhead.

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