Layer
Name
Layer #1
Physical characteristics
Type of layer
granular
Thickness
3.0  ± 1.0  mm
Texture
loose granular
Type of porosity
particulate
Density
0.3 ± 0.1 g.cm−3
Formation mode
manual deposition by sieving
Temperature
140.0  K
Comments
The layer was produced using tools and containers pre-cooled with liquid nitrogen, in a freezer.
Number
1
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Water ice spherical particles 2 to 100 μm (possibly 35±20 µm, to be confirmed)