Possible Clues:

• Go after this to continue to a certain degree
• What 19 across is is not all you go to university for
• Will this go on the way to a degree? Not much
• Is it all the go at university? Not much
• Small or minute
• Not much to go if your'e going for a degree
• Not much of a start for 12 across
• Not to a great extent
• Small in quantity or degree
• Gene Roddenberry's long-running sci-fi TV and film series