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Surface
of Venus
-
Venus
has several volcanoes
-
hot
spot volcanism
-
active
in at least the last 10 million years
-
Varying
levels of sulfur in atmosphere
-
volcanoes
may be currently active
-
Much
of surface seems to have been covered with lava
-
broken
crust seen at landing site
-
long
lava channel
-
relatively
few craters
-
Many
crust fractures
-
Pancake
domes, corona
-
crust
may be thinner than Earth's
-
Two
"continents"
-
Ishtar
terra
-
Aphrodite
terra
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