'An aberration in this part of the telescope was found shortly after launch; a 1993 Shuttle mission fixed it'
a mirror
HUBBLE, HUBBLE, TOIL & TROUBLE: An aberration in this part of the telescope was found shortly after launch; a 1993 Shuttle mission fixed it
An aberration in this part of the telescope was found shortly after launch; a 1993 Shuttle mission fixed it
An aberration in this part of the telescope was found shortly after launch; a 1993 Shuttle mission fixed it
HUBBLE, HUBBLE, TOIL & TROUBLE
a mirror
HUBBLE, HUBBLE, TOIL & TROUBLE