Doing what to celestial objects requires a telescope?
vital to a good life a trying time closely observing frequency tuning looking hard Controlled manipulation striking firmly experiments
A B C D E F G H
Doing what to celestial objects requires a telescope? (A) vital to a good life (B) a trying time (C) closely observing (D) frequency tuning (E) looking hard (F) Controlled manipulation (G) striking firmly (H) experiments