Q:

Who discovered Mars?

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Quick Answer

Because Mars with its famous red coloration is readily visible from Earth, it is unknown who first discovered it; NASA lists the planet as "known by the ancients." There are records of its existence as far back as ancient Egypt.

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Who discovered Mars?
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Full Answer

Although Mars has been readily visible to the human eye as long as there have been humans, much has been discovered about the planet since ancient times. For example, Aristotle first noted that Mars can disappear behind Earth's moon, indicating that it is farther away. Telescopes with resolutions capable of viewing the planet's surface only first appeared in the 19th century, and in modern times, NASA has sent rovers to the planet itself to analyze the planet's geology and take high-resolution pictures. As of 2014, the most recent NASA rover to land is Curiosity.

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Related Questions

  • Q:

    What are some cool facts about Mars?

    A:

    Mars, the fourth planet from the sun, has interested people for thousands of years, according to BBC News. However, whereas the people of ancient Greece and Rome found Mars fascinating for its red color, people today are more interested in finding water on the planet.

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  • Q:

    Where is Mars located?

    A:

    Mars is the fourth planet from the sun. Its average distance from the sun is 141,633,120 miles, approximately 1.5 times that of Earth.

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  • Q:

    When was Mars discovered?

    A:

    While no specific date can be identified for the discovery of Mars, knowledge of the planet dates back to ancient civilizations. Ancient Romans, Egyptians and Chinese astronomers independently discovered and named the planet.

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  • Q:

    How big is Mars?

    A:

    Mars is the second smallest planet in the solar system, with a diameter of just over 4,212 miles and a circumference of 13,256 miles. Its diameter is about 53 percent that of the Earth. Among the major planets, only Mercury is smaller.

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