•Mars is the fourth planet away from the sun. As you know Mars has a spacecraft on it now. Scientist discovered that there is air on
Mars. They also discovered that Mars used to have water on it. They found traces of water. Since there used to be water on mars then there had to be
a living thing that consumed the water. That is why scientists want to know so much about Mars. Mars is 227,940,000 km away from the sun.
