Terrestrial Planets

Question 1

Mercury Surface Features

Answer 1

• Moonlike world
• Heavily cratered
• Low mass, high temperature = weak gravity, low magnetic field

Question 2

Mercury Atmosphere & Temp.

Answer 2

• No atmosphere
• Daily high 700K degrees
• Daily low 100K degrees
• Range about 1080 Degrees F

Question 3

Venus’ Surface Features

Answer 3

• Enshrouded by opaque, highly reflective clouds
• Most similar to planet earth

Question 4

Venus Compared to Earth & Historical perceptions

Answer 4

• Similar Radius, Mass, & Distance from Sun
• Was two separate objects
• No magnetic field

Question 5

Venus’ Atmospheric Properties and Composition

Answer 5

• Mostly CO2
• Atmospheric pressure at surface: 92 atm

Question 6

Mars’ Surface Features

Answer 6

• Ice caps

Question 7

Mars’ Atmosphere and “Weather”

Answer 7

• Mostly CO2
• Had a atmosphere similar to Earth
• Dust Storms
• Atmosphere Surface pressure .006 atm

Question 8

Mars’ Compared to Earth & Popularizations

Answer 8

• Canals in mars
• Season Foliation
• Average Temp: -81 F