intergalactic matter

20 LETTERS · STARTS WITH I

intergalactic matter is a valid 20-letter word worth 26 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1T1E1R1G2A1L1A1C3T1I1C3M3A1T1T1E1R1

1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 3 + 1 + 1 + 3 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does intergalactic matter mean?