1d. relating to the study of space. ?A???N?M???F
2d. grey and heavy(sky). ?R???N
23d. sharp end. ??I?T
45d. old royal attendants. ?E?M?N
63d. conside rit dorrect. ??E ?I?
22a. female sovereign. E???E?S
62a. skilled craftperson. A?T???N
43a. electrical resistance unit. ?H?S