Across
1
Absolute temperature scale unit
3
Our home planet
7
Hottest planet in solar system
8
Unit of electric potential
10
Curved glass that refracts light
11
Center of an atom or cell
Down
2
Blocking of light by a celestial body
4
Magnetic metallic element
5
Solid with repeating atomic pattern
6
Nerve cell in the brain
9
The Red Planet