Space Telescope That Entered Orbit in April 1990

This page is the CodyCross answer for the clue below from Tracking Time, Group 1057, Puzzle 5 (Autumn and Winter).

Question is: Space Telescope That Entered Orbit in April 1990

and the answer is: HUBBLE

Word Meaning:

HUBBLE — (Scotland) An uproar.

Definitions from Wiktionary.