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2. Overview | Mars – NASA Solar System Exploration

   solarsystem.nasa.gov/planets/mars/overview.amp

   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. In Depth | Mars – NASA Solar System Exploration

   solarsystem.nasa.gov/planets/mars/in-depth.amp

   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. What is a Planet? | Planets – NASA Solar System Exploration

   solarsystem.nasa.gov/planets/in-depth.amp

   Everyone knows that Earth, Mars and Jupiter are planets. But both Pluto and Ceres were once considered planets until new discoveries triggered scientific debate about how to best describe them—a vigorous debate that continues to this day.

5. In Depth | Our Solar System – NASA Solar System Exploration

   solarsystem.nasa.gov/solar-system/our-solar-system/in-depth.amp

   Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.

6. Planet Compare - NASA Solar System Exploration

   solarsystem.nasa.gov/planet-compare

   NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

7. Mars By the Numbers – NASA Solar System Exploration

   solarsystem.nasa.gov/mars-by-the-numbers

   Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.

8. In Depth | Phobos – NASA Solar System Exploration

   solarsystem.nasa.gov/moons/mars-moons/phobos/in-depth.amp

   Phobos, gouged and nearly shattered by a giant impact crater and beaten by thousands of meteorite impacts, is on a collision course with Mars. Phobos is the larger of Mars' two moons and is 17 x 14 x 11 miles (27 by 22 by 18 kilometers) in diameter.

9. Mars 3D Model - NASA Solar System Exploration

   solarsystem.nasa.gov/gltf_embed/2372

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10. 60,000 Orbits for NASA's Mars Reconnaissance Orbiter

    solarsystem.nasa.gov/news/942

    NASA's Mars Reconnaissance Orbiter (MRO) hit a dizzying milestone this morning: It completed 60,000 loops around the Red Planet at 10:39 a.m. PDT (1:39 p.m. EDT). On average, MRO takes 112 minutes to circle Mars, whipping around at about 2 miles per second (3.4 kilometers per second).

11. RPS 3D Viewer - NASA Solar System Exploration

    solarsystem.nasa.gov/rps-3d

    Sunrise and Sunset on Mars (2019) An Eye on Mimas Uranus Poster - Version B ... PLANETS Mercury; Venus; Earth; Mars; Jupiter; Saturn; Uranus; Neptune; DWARF PLANETS Pluto; Ceres; Makemake; Haumea; Eris; HYPOTHETICAL Planet X; Moons. About Moons; BY DESTINATION Earth (1) Mars (2) Jupiter (95) Saturn (83)