Terrestrial Planets Flashcards
1
Q
Mercury Surface Features
A
- Moonlike world
- Heavily cratered
- Low mass, high temperature = weak gravity, low magnetic field
2
Q
Mercury Atmosphere & Temp.
A
- No atmosphere
- Daily high 700K degrees
- Daily low 100K degrees
- Range about 1080 Degrees F
3
Q
Venus’ Surface Features
A
- Enshrouded by opaque, highly reflective clouds
- Most similar to planet earth
4
Q
Venus Compared to Earth & Historical perceptions
A
- Similar Radius, Mass, & Distance from Sun
- Was two separate objects
- No magnetic field
5
Q
Venus’ Atmospheric Properties and Composition
A
- Mostly CO2
- Atmospheric pressure at surface: 92 atm
6
Q
Mars’ Surface Features
A
- Ice caps
7
Q
Mars’ Atmosphere and “Weather”
A
- Mostly CO2
- Had a atmosphere similar to Earth
- Dust Storms
- Atmosphere Surface pressure .006 atm
8
Q
Mars’ Compared to Earth & Popularizations
A
- Canals in mars
- Season Foliation
- Average Temp: -81 F
