Crossword clues for the word: BSTAR The word BSTAR has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for BSTAR Showing 1 to 7 of 7 results Clue(s) "Massive, relatively hot luminous body" "Rigel, for example" "Spectral type, in astrophysics." Bright sky sight It's massive and relatively hot Rigel is one Rigel or Spica, by spectral type