Mars Curiosity Life Expectancy|Problems On Mars For Humans|Occupy Mars Elon musk|Life On Mars Discoveredbr br #levelup4u|| #informativebr br Mars is a cold desert world. It is half the size of Earth. 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.br br Let’s watch in detail moving forward….Don’t forget to like, Subscribe & Comment.