List of memberships
 | This user is a participant in WikiProject Physics. |
 | This user is a member of the Astronomy WikiProject. |
.jpg){kind=small} | This user is a member of WikiProject Spaceflight. |
List of memberships
| This user is a participant in WikiProject Physics. |
| This user is a member of the Astronomy WikiProject. |
| This user is a member of WikiProject Spaceflight. |