What would astronomers use to observe Betelgeuse?
a telescope energy Sextant a microscope A hinged joint a magnifying glass VOCs and NOx scales or plates
A B C D E F G H
What would astronomers use to observe Betelgeuse? (A) a telescope (B) energy (C) Sextant (D) a microscope (E) A hinged joint (F) a magnifying glass (G) VOCs and NOx (H) scales or plates