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.So how did Mars die? After repeatedly skimming the upper reaches of the Martian atmosphere with an orbiting probe, researchers have another piece of the puzzle—they discovered that H2O molecdon't

Diet planet: Mars's gravity.
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.Can we plant trees on Mars?
You can; you just have to compress the atmosphere into a greenhouse and plant them in soil that has been filtered of Mars' perchlorate salt that's toxic to higher life. a) The ground isn't suitable for plants. There aren't enough minerals and there is no water. And if there is liquid water, it's extremely salty.Our results indicate that (meta)stable brines on the Martian surface and its shallow subsurface (a few centimeters deep) are not habitable because their water activities and temperatures fall outside the known tolerances for terrestrial life," they wrote in the new study, which was published online Monday (May 11)Mars is sometimes called the Red Planet. ... Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather. It has a very thin atmosphere made of carbon dioxide, nitrogen, and argon.
Mars is very cold.
by Deez Gutz April 27, 2021
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Hot. Just hot. That’s it. Their personality:hot. Looks: hot. Everything: hot
“Hey have you seen that new hottie?”
“Yeah that’s Mars”
by Not_an_anarchist March 21, 2021
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The place I can travel too and back in the time it takes for the Urban Dick moderators to approve my definitions!
Spack No.2: I can travel to Mars and back in the time it takes for the moderators of Urban Dick to approve my submissions!
by Jack Spank9049 June 14, 2022
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1. A very popular Shojo manga series. Motorcycles, craziness, suicides, what more do you want??
2. Red planet
"Mars is my favorite manga!"
by Kyra Misaki June 28, 2004
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Mar means to be very bright and inteligent.
John Discribed his brunette girlfriend as a mar
by Ashlee Shrimpson March 24, 2005
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Any place associated with the nostalgia shared between two close people. When at their "mars", they feel like they are the only two people in the world because they are so at ease and deeply intertwined in terms of memories. A trip to mars isn't merely a place these two people enjoyed themselves- it's a rare manifestation of their friendship: past, present, and future. "Mars" is often associated with beautifully deserted scenery, a sunset, laughter, or even profound song lyrics. This is only MY definition of "mars"- every couple/group of friends has their own.
"I miss that day. I want to go back to Mars."
"They'll be tearin' us apart- maybe moving us to Mars..." -Coldplay
by Paishers September 3, 2011
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