Red Planet Day is observed every year on November 28 to commemorate a turning point in humanity's quest to understand Mars. On this day in 1964, NASA launched the Mariner 4 spacecraft, the first ...
Red Planet Day is observed annually on November 28 to celebrate the exploration and study of Mars, our neighbouring planet often referred to as the "Red Planet" due to its reddish appearance caused by ...
The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.
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