Chapter 10 mercury and venus Flashcards
1
Q
arachnoid
A
circular regions 10s of kms in diameter interconnected by fractures
2
Q
coronae
A
collapsed dome surrounded by a trench and an outer ring
3
Q
intercrater plain
A
gently rolling landscape between large craters and basins. many small craters.
4
Q
scarp
A
great cliffs
5
Q
smooth plain
A
like the maria, lava flow filling up basins