Telescopes used to study stars, planets, galaxies are using mirrors. Mirrors are lighter than lenses and can

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Question:

Telescopes used to study stars, planets, galaxies are using mirrors. Mirrors are lighter than lenses and can be built with many small pieces. Do you think that it would be more suitable a converging or a diverging mirror for these instruments to collect light?

A. A diverging (convex) mirror

B. A converging (concave) mirror