This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
TNG, and specifically space(physics,astronomy, although i never was good in school for these subjects, because these were hard class at the basic levels)
TNG, and specifically space(physics,astronomy, although i never was good in school for these subjects, because these were hard class at the basic levels)