What does GRB stand for?

What does GRB mean?

GRB	Gamma Ray Bursts Governmental » NASA
GRB	Gamma Ray Burst Governmental » NASA
GRB	Gerber Scientific, Inc. Business » NYSE Symbols
GRB	Grebo Regional » Language Codes (3 Letters)
GRB	Ms-DOS Shell Monitor file (MS-DOS 5) Computing » File Extensions
GRB	Austin Straubel International Airport, Green Bay, Wisconsin USA Regional » Airport Codes
GRB	GROB Graphic Object Bitmap graphics B&W binary Computing » File Extensions
GRB	Gospel Radio Blessed Community » Religion
GRB	Gossip Retransmit Bit Computing » Assembly
GRB	Gamma Ray Blast Academic & Science » Astronomy
GRB	Gage Road Brewing Co Ltd Business » ASX Symbols