In the fall of 1659, Christiaan Huygens observed the opposition of Mars, drawing what he saw. The result was the first drawings of the recognizable surface features of the Red Planet – an achievement ...
Yahoo: Notes from Mars 160: Why Field Drawing Is Important to Mars Exploration
Notes from Mars 160: Why Field Drawing Is Important to Mars Exploration
Mars is the fourth planet from the Sun. It is also known as the " Red Planet ", for its orange-red appearance. [22][23] Mars is a desert-like rocky planet with a tenuous atmosphere that is primarily carbon dioxide (CO2). At the average surface level the atmospheric pressure is a few thousandths of Earth 's, atmospheric temperature ranges from −153 to 20 °C (−243 to 68 °F), [24] and ...
Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to roam the alien landscape.
Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. There are intriguing clues that billions of years ago Mars was even more Earth-like than today.
Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a cold, desert world within our solar system. It has a very thin atmosphere ...
Why is Mars red? What’s the gravity on Mars? Read this article to get answers to these and many other questions and learn more about the Red Planet.