Across
1
Path of a planet around the sun
3
Hottest planet in solar system
4
Tectonic landmass section
8
Unit of heredity
Down
2
Blocking of light by a celestial body
5
Reddish electrical conductor
6
Group of similar cells
7
Amplified beam of light
Path of a planet around the sun
Hottest planet in solar system
Tectonic landmass section
Unit of heredity
Blocking of light by a celestial body
Reddish electrical conductor
Group of similar cells
Amplified beam of light