Across
1
Our home planet
3
Natural satellite of Earth
6
Blocking of light by a celestial body
7
Element found in all living things
10
Chemical element in table salt
11
Push or pull on an object
Down
2
Hottest planet in solar system
4
Biological catalyst
5
Icy body with a tail near the sun
8
Solid with repeating atomic pattern
9
Gas essential for breathing
12
Glass that splits light into spectrum