Across
1
Preserved remains of ancient life
4
Unit of power
6
Basic unit of life
7
Our home planet
Down
2
Icy body with a tail near the sun
3
Blocking of light by a celestial body
4
Disturbance that transfers energy
5
Absolute temperature scale unit
Preserved remains of ancient life
Unit of power
Basic unit of life
Our home planet
Icy body with a tail near the sun
Blocking of light by a celestial body
Disturbance that transfers energy
Absolute temperature scale unit