I need help with an essay about mars

Mars, the red planet, and fourth planet from the sun.  What is Mars really like, is it cold or hot, wet or dry?  Can humans live on Mars, and if so how?  For decades scientists have been studying Mars, they have been using rovers and from there they collected data, samples, and took pictures.  These rovers study Mars’ atmosphere, temperatures, weather, if it has water, and a lot more.  With all of the data the scientists have gathered we know that Mars’ atmosphere is a lot different than our, yet still has similarities. Even though Earth and Mars are in the same solar system and orbit the same sun, Mars’ atmosphere and the planet itself is a lot different from Earth.  Mars is 142 million miles away from the sun, with a year being 687 days long.  It is about half of Earth’s size, and is one tenth of Earth’s mass.  Mars’ atmosphere is carbon based, containing 95.3% carbon dioxide, and also it only has .3% water vapor (Source for %).  The average temperature on Mars is   -81 degrees Fahrenheit which is approximately -62 degrees Celsius (NASA).  Mars’ atmosphere is also very thin, so it does not “allow liquid water to exist at the surface for long” (Newsela).  Also Mars has a lot less gravity, Earth has 62.5% more gravity than Mars does (NASA).  Mars’ environment would not be very hospitable for human life.

However, the surface is not hospitable to humans or most known life forms due to the radiation, greatly reduced air pressure, and an atmosphere with only 0.16% oxygen. ... Human survival on Mars would require living in artificial Mars habitats with complex life-support systems.Color: It's called the Red Planet because its iron-rich dust gives it landscape a rusty-red color.

Diet planet: Mars's gravity is 38 percent of Earth's. ...

Climate change: At the equator, Mars is a comfortable 80 degrees Fahrenheit, but the temperature at its poles can get down to 199 degrees below zero.Mars is known as the Red Planet because the iron oxide chemicals in its soil looks like rust. Mars is named for the ancient Roman god of war. The Greeks called the planet Ares (pronounced Air-EEZ). The Romans and Greeks associated the planet with war because its color resembles the color of blood.Mars may look hot, but don't let its color fool you -- Mars is actually pretty cold! In orbit, Mars is about 50 million miles farther away from the Sun than Earth. That means it gets a lot less light and heat to keep it warm.

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