燃やす
center
composition
core
crust
cut
detail
earth
education
educational
geological
geology
globe
hot
illustration
inner
inside
interior
internal
iron
isolated
jupiter
lava
layer
lithosphere
magma
mantle
mars
melt
mercury
model
nature
neptune
nucleus
planet
red
saturn
schematic
science
section
solid
split
structure
uranus
venus
view