Browse terms - alphabetical

Royal favorites (1)
Royal houses (1)
Royalists, 1642-1660 (1)
Royal middies (Dance) (1)
Royal prerogative (1)
Royalty (1)
Royal Worcester porcelain (1)
Rozenite (1)
Rozhkovite (1)
R-process (1)
RRab variable stars (1)
RRc variable stars (1)
RRd variable stars (4)
RR Lyrae variable stars (1)
R-Scale/ Radio Blackouts (1)
RS Canum Venaticorum variable stars (1)
R stars (4)
RTN (2)
Ruarsite (1)
Rubber (1)