Geologic features of other planets and moons in the solar system compared with Earth, from an intro geology course.
29 cards · basic cards · AI-written, checked twice. Edit anything.
- What causes Venus's extreme surface temperature?
- A runaway greenhouse effect from a dense CO2 atmosphere
- What are the steep cliffs called that cover much of Mercury?
- Discovery Rupes and other scarps formed by planetary contraction
- Why does Mercury have extreme temperature swings between day and night?
- It lacks an atmosphere and rotates very slowly
- What is Olympus Mons?
- The largest volcano by area in the solar system, located on Mars
- What is Valles Marineris?
- A massive canyon system and rift valley on Mars
- What evidence shows that liquid water once flowed on Mars?
- Ancient river valleys, deltas, and alluvial fans visible in satellite imagery
- What gives Mars its characteristic rusty red color?
- Iron oxide minerals, particularly hematite
- What is the dominant erosion process on Mars today?
- Wind erosion and aeolian transport of dust and sand
- How does Earth's plate tectonics differ from Mars?
- Earth has active plate boundaries that continue to move; Mars has extinct tectonics
- What is the Great Red Spot on Jupiter?
- A giant anticyclonic storm system that has persisted for centuries
- What are the primary gases in Jupiter's atmosphere?
- Hydrogen and helium, with trace amounts of methane and ammonia
- What is Jupiter's internal heat source?
- Gravitational contraction and residual heat from formation
- What is Saturn's ring system primarily composed of?
- Water ice and rock and dust particles
- Name two of Saturn's largest moons.
- Any two of: Titan, Enceladus, Iapetus, Rhea, or Dione
- What is unique about Uranus's rotation?
- It rotates on its side with an axial tilt of about 98 degrees
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