Lecture 15 – Terrestrial Planets, Part 1/4
Summary / Checklist of the Main Concepts to Understand and Remember

Mercury  
red bullet How far is Mercury from the Sun on average, compared to Earth?  
• Can Mercury transit the Sun?  
• At what times of the day can you see Mercury in the sky?  
red bullet How wide is Mercury, compared to Earth?  
• Does Mercury have moons?  
red bullet What does the surface of Mercury look like?  
• How do we know how massive Mercury is?  
red bullet Does Mercury have an atmosphere? (Why?)  
red bullet Have spacecraft from Earth orbited or landed on Mercury?  
• Main features: Caloris Basin (what it is, origin); Scarps (what they are, likely origin).  
     
     
     
     
     
     

Topics from the lecture page and textbook not listed above [or between square brackets] were not covered in class;
Underlined words indicate that I will expect students to remember a number or a name related to that topic.

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