Crossword Help Forum
Forum Rules

16Dn ...They may be of grave matter to astrophyscists (5,5)
17Dn One way to block the odd CAB raider (9)25Ac System involving the hundredth remit(6)
27Ac One will stand for it hoping to be seated after it (6)
Any help appreciated

black comet

barricade and metric, both anagams

16d black holes

election,

AJT was right with the holes

Thanks very much to you all

delighted t be some help :0)