10 fun facts about Mars, also known as the red planet

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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 and Earth do share many similarities with one another, including the length of a day on each of the planets, as well as the small number of moons of each planet. 
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Here are 10 fun facts about Mars. 
Mars is one of the unique planets of our solar system. (iStock)
Similar to Earth, Mars also experiences seasons.
The seasons on Mars are a bit different from on Earth, as they are about twice as long, according to NASA.gov. 
Mars has the same four seasons as Earth; winter, spring, summer and autumn. 
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Olympus Mons is an absolutely enormous volcano on Mars. 
It is not only the largest volcano on the planet, it’s also the largest in the entire solar system, according to Space.com. 
It is a whopping 16 miles high and spans 374 miles, per the source. 
Mars is home to many volcanoes, including the largest in the solar system. (iStock)
Mercury, Venus, Earth and Mars are the four planets closest to the sun. 
About 142 million miles separate Mars from the sun, according to NASA.gov.
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Neptune is the farthest planet from the sun and is about 2.8 billion miles away from the sun, per the source. 
Compared to Earth, Mars is pretty small. 
Mars is about half the size of Earth. It has a radius of 2,106 miles, according to NASA.gov. 
Jupiter, Saturn, Uranus, Neptune, Earth and Venus are all bigger than Mars, while Mercury is smaller.
Mars is smaller than Earth, with a radius of 2,106 miles. (iStock)
Phobos and Deimos are the two moons of Mars. Phobos is the larger of the two, according to NASA.gov. 
The small number of moons is another similarity between Earth and Mars. 
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The other planets in the solar system have many more, except for Venus — which has no moons. 
Mars experiences very cold temperatures and has a very thin atmosphere. 
It is mostly made up of carbon dioxide, argon and nitrogen, according to NASA.gov.
Mars’ temperatures are another factor that make it uninhabitable. 
The temperature of Mars is very cold, with averages of minus 85 degrees. (iStock)
On average, the planet sees temperatures right around minus 85 degrees Fahrenheit, NASA.gov reports. 
Countries around the world have made great efforts to explore Mars. 
NASA has two rovers, Curiosity and Perseverance, that are currently being used to explore the planet.
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Over the years, there have been others, including Sojourner, Spirit and Opportunity. 
Spirit and Opportunity were twin rovers that landed just a few weeks apart from one another in 2004, according to NASA.gov. 
NASA also had a lander called InSight that was used to explore the planet until December 2022, according to NASA.gov, and a helicopter called Ingenuity. Ingenuity’s mission ended in January 2024. 
Exploration has found that Mars had a warmer, wetter, thicker atmosphere billions of years ago. 
Perseverance is one of the rovers currently exploring Mars. (Xinhua/NASA/JPL-Caltech via Getty Images)
More research has continued to be done to explore that idea further and look toward the potential future of the planet. 
Elon Musk’s company SpaceX has also been working on spacecraft and rockets that can get crews and equipment to Mars. 
Mars is often referred to as the red planet.
Mars’ nickname comes from the color it appears to be.
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The soil on Mars is full of iron minerals, which oxidize, or rust, according to NASA.gov, making the surface of the soil look red. 
Mars experiences a longer year than Earth does. 
A year on Mars is 669.6 sols, per NASA.gov, which is equivalent to 687 days on Earth. Each day on Mars is just slightly longer than a day on Earth. 
The average day on Mars lasts 24.6 hours, very similar to that of Earth. 
A year on Mars is almost double a year on Earth. (iStock)
While humans have not walked on Mars in real life, they have in pop culture. There have been many popular movies based on life on Mars. 
One of the most popular is “The Martian,” a 2015 movie based on the book by Andy Weir. Matt Damon plays astronaut Mark Watney in the movie, who gets stranded on the planet. 
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A few other movies featuring Mars are “Total Recall,” “Mission to Mars,” “Life,” “The Space Between Us” and “Ad Astra.” 
Ashlyn Messier is a writer for Fox News Digital.