Mars

Mars is the fourth planet from the Sun in our solar system and is often referred to as the "Red Planet" due to its reddish appearance. It is a terrestrial planet with a thin atmosphere, and its surface features include deserts, valleys, polar ice caps, and the largest volcano and the tallest mountain in the solar system.

Key Facts

• Orbital Period: 687 Earth days
• Radius: 3,389.5 km
• Surface Temperature: -87 to -5 °C
• Moons: 2 known moons - Phobos and Deimos

Atmosphere and Surface

Mars has a thin atmosphere composed mostly of carbon dioxide, with traces of nitrogen and argon. The planet's surface is rocky and dusty, with iron oxide giving it a reddish appearance. Mars experiences dust storms and has the largest volcano, Olympus Mons, and the deepest canyon, Valles Marineris, in the solar system.

Potential for Life

Scientists have been studying Mars for evidence of past or present life. The planet's polar ice caps and the presence of water in the form of ice suggest that liquid water may have existed on the planet's surface in the past. Mars also has geological features that indicate the presence of rivers and lakes in its distant past.

Exploration and Missions

Several space missions have been sent to explore Mars, including the Mars rovers Curiosity and Perseverance, which have provided valuable data about the planet's geology, climate, and potential for habitability. Future missions aim to bring samples from Mars back to Earth and to prepare for human exploration of the planet.

Study Tips

To study Mars, it's important to understand its key features, atmosphere, potential for life, and ongoing exploration efforts. You can review images and data from Mars missions, study the planet's geological features, and learn about the latest discoveries and research findings related to Mars.

[Mars] Related Worksheets and Study Guides:

• Our Solar SystemScience • Seventh Grade
• The solar systemScience • Third Grade