Across
1
Glass that splits light into spectrum
4
Absolute temperature scale unit
6
Blocking of light by a celestial body
7
Unit of energy
8
Second lightest element
Down
2
The Red Planet
3
Tissue that contracts for movement
5
Group of similar cells
Glass that splits light into spectrum
Absolute temperature scale unit
Blocking of light by a celestial body
Unit of energy
Second lightest element
The Red Planet
Tissue that contracts for movement
Group of similar cells