User:Sam-2727/AfC Userbox Demo

Observational astronomy:
Spaceflight:

Geosciences:

 * WikiProject Geology/Periods
 * WikiProject Geology/Periods
 * WikiProject Geology/Periods
 * WikiProject Geology/Periods
 * WikiProject Geology/Periods
 * WikiProject Geology/Periods

Physics:

 * WikiProject Physics/Taskforces/Fluid dynamics