Layer
Name
H2O ice
Order
3
Physical characteristics
Type of layer
granular
Thickness
0.5  ± 1.0  mm
Texture
pulverulent
Type of porosity
particulate
Comments
fractional coverage of very thin H2O frost
Formation mode
gas condensation
Temperature
148.15  ± 0.5  K
Comments
frost condensation on CO2 ice from ambient air
Number
1
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
H2O ice 1.0