Gravity
Layers of moons interior
coelom
Atmosphere protects us from space debris. It is a combination of various layers.
If they are not shielded from the damaging radiation of the sun the solar rays can penetrate the layers of the space station.
yes, there is
7
none
The exosphere
the roof is double layered with provition for ventilation of the space between the 2 layers
Gravity
Layers of moons interior
coelom
The subdural space lies between the dural and arachnoid layers of the meninges.
Atmosphere
arachnoid and dura
Troposphere Stratosphere Mesosphere Thermosphere