Mars
Mars, Earth's outer neighbor, is the fourth planet from the Sun. Mars' bright appearance and reddish color stand out in the night sky. Impressive surface features such as enormous volcanoes and valleys are frequently obscured by huge dust storms.
Visit another planet: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Dwarf Planets
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Explore Mars
Interior and Surface of Mars
The uniquely red global surface of Mars is marked by many interesting features - some like ...Read more
Atmosphere of Mars
The atmosphere of Mars is much thinner than that of Earth, with a surface pressure averaging ...Read more
Moons of Mars
Mars has two small moons, Phobos and Deimos. The red planet does not have any rings. ...Read more
The Poles of Mars
The North and South Poles on Mars are similar to the polar regions on Earth in many ways. They ...Read more
Planetary Facts
All of the relevant information about Mars collected on one page, including details about size, orbit ...Read more
Myth and Culture
Mars was the son of Jupiter and Juno, and was the Roman god of war. Mars was the lover of Venus ...Read more
Missions to Mars
In the past few decades, the Russian and American space agencies have sent many spacecraft ...Read more
Images and Multimedia
Access wonderful captioned photos and illustrations that will inspire and excite you. ...Read more
Mars Links
These are links to other great web sites about Mars. But beware: you don't want to get caught ...Read moreDid you know?
Did you know that we look back in time when we look into the cosmos?Did you know that different cultures imagined different constellations, based on their own cultural context?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?Plate tectonics
xPlate tectonics : The theory supported by a wide range of evidence that considers the Earth's crust and upper mantle to be composed of several large, thin, relatively rigid plates that move relative to one another.
Click on the word to find out!
Research Highlights
New Computer Model Advances Climate Change Research
Scientists can now study climate change in far more detail with powerful new computer software released by the National Center for Atmospheric Research (NCAR) in Boulder, Colo. The Community Earth System...Read more
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