Who discovered Mars?

There is no single person who is credited with the discovery of Mars. Mars is one of the five planets that can be seen in the night sky without using a telescope or binoculars. Since Mars is bright and has a reddish color, it stands out and is easily noticed. The planet Mars has been known since ancient times and was observed for thousands of years by the people of many different cultures.


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Learn about IRAS, the first infrared telescope launched into Earth's orbit!