Mars Missions: A Space Discovery Guide

Mars Missions: A Space Discovery Guide — page 5
CHAPTER 1 OVERCOMING FAILURE This 2015 image shows the south pole of Mars covered by an ice cap made up of carbon dioxide Long before people sent spacecraft to explore Mars they wondered about the Red Planet In 1609 the scientist Galileo Galilei was the first person to look at Mars through a telescope Other astronomers looked at Mars and discovered white spots at the poles In 1719 an Italian astronomer named Giancomo Miraldi wondered if these spots could be ice caps It would be almost three hundred years before scientists could confirm whether Miraldi’s theory was correct Early astronomers drew maps of what they saw through their telescopes In 1877 an Italian astronomer saw dark grooves on Mars’s surface He called them canali meaning channels But 8