Question

Both images were taken by a space telescope orbiting Earth. What do these images indicate?

A.
Ultraviolet light is more important than visible light in providing all information about the universe.
B.
Visible light is more important than ultraviolet light when attempting to detect changes in hotter stars.
C.
Different kinds of electromagnetic radiation can be used to detect various types of stars.
D.
Different kinds of electromagnetic radiation reach different parts of the Earth.

Answer 1

These images indicate that different kinds of electromagnetic radiation can be used to detect various types of stars. (C)

Choices 'A' and 'B' are absurd. "Important" is a wishy-washy, rubber word. It means different things to different people, and it can even mean different things to the same astronomer at different times, depending on what he's trying to see at that moment.