Across
1
Absolute temperature scale unit
3
Our home planet
5
The Red Planet
6
Blocking of light by a celestial body
8
Path of a planet around the sun
10
Gas essential for breathing
Down
2
Tectonic landmass section
4
Amplified beam of light
5
Natural satellite of Earth
7
Unit of force
9
Curved glass that refracts light
11
Precious yellow metallic element
12
Molten rock beneath Earth surface
13
Naturally occurring inorganic solid
14
Unit of energy