Geology of Planets Exam 1 Study (quizzes 1-15)
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8 Terms
What is the size range of asteroids?
0 to 1000 km across
Most asteroids are probably in which size range?
0 to 10 km across
What geologic process is most common on asteroids?
Impact cratering
Which of the following is most accurate about volcanic activity on the asteroids?
Volcanism occurred anciently on at least some asteroids.
Why is there a density difference between Vesta and Ceres?
Because Vesta is rich in silicates and metals; Because Ceres has an outer shell of water ice
What is the most likely cause of the linear ridges and grooves near Vesta’s equator?
Near disruption by a large impact
Why are asteroids closer to Jupiter so much darker than those near Mars?
Dark carbonaceous materials are common on the asteroids near Jupiter.
What is the best explanation for the dome shaped mound on Ceres?
Cryovolcanism (ice volcano)