Top 10 Facts

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Top 10 Facts about Mars

Learn all about the beautiful Red Planet!

Plus you can learn more about what’s in our Solar System with our Top 10 Facts on the Sun and the Moon; the planets Earth, Mercury, Venus, Jupiter, Saturn, Uranus and Neptune and the dwarf planet Pluto.

1. Mars is in-between Earth and Jupiter

Mars is the fourth planet from the Sun in our Solar system

2. Mars is red because it’s surface contains Iron

The surface of Mars has lots of rocks, and when they’re exposed to Mar’s atmosphere, they ‘oxidize’ and turn reddish – the same way an old bike left in the rain goes red when it gets rusty.

3. A Year on Mars is longer than A Year on Earth

Mars takes 687 Earth days to orbit around the Sun meaning their year is 687 Earth days long.

4. You’ll need a Spacesuit to live on Mars

Mars has a thin atmosphere made up mostly of carbon dioxide (CO2), argon (Ar), nitrogen (N2), and a small amount of oxygen and water vapor. Mars has almost no oxygen; it’s only one-tenth of one percent of the air, not nearly enough for humans to survive. 

5. Mars has 4 seasons like Earth

And that’s not where the similarities end. Like Earth, Mars has polar ice caps, volcanoes, canyons, and weather.

6. Mars is about half the size of Earth

Mars is the second smallest planet in the solar system after Mercury. It has a diameter of 6,791 kilometres which makes it about half the size of Earth.

7. You’ll need to wrap up warm to visit mars

It can get pretty cold on Mars because it’s further away from the sun than Earth.

At Mars’ equator, temperatures can reach 20°C, but at its poles they can be as low as -140°C. That’s really cold.

8. Mars has the highest mountain in our solar system

Mars is home to the highest mountain in our solar system. It’s a volcano called Olympus Mons. It’s about three times the height of Mount Everest, the highest mountain on Earth.

9. Mars is named after a Roman God

The Romans believed that gods and goddesses were in charge of everything on Earth. Mars was named after the Roman God of war because it’s red surface is similar to the colour of blood.

10. We are using robots to explore Mars

On November 27, 1971 the lander of Mars 2 crash-landed due to an on-board computer malfunction . Despite the crash this object still became the first man-made object to reach the surface of Mars.

Over the years, NASA have sent four robotic vehicles, or rovers, to learn more about Mars. NASA’s fifth Mars rover, Perseverance, landed on Mars in 2021!

Let’s keep learning with our Top 10 Facts about Space and Top 10 Facts about the Solar System. Plus you can learn more about what’s in our Solar System with our Top 10 Facts on the Sun and the Moon; the planets Earth, Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune and the dwarf planet Pluto.

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Top 10 Facts

From the Tudors to rocks to fish, we have all the best facts right here!

More From Top 10 Facts