Mars is a fascinating planet in our solar system. Over the years, space organizations have done a great deal of work to further explore Mars, including projects to get crews to the red planet. Mars ...
CNN — (CNN) — Here’s some background information about Mars exploration. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine ...
Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of the ...
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