What Device do largest telescopes in world use to collect as much light as possible?

The largest visible-light telescopes in the world use what device to collect as much light as possible before the light is brought to a focus (to act as the light bucket)?

A. a lens
B. a spectroscope
C. a CCD
D. a mirror
E. a valley in Puerto Rico

a mirror.


Comments

What Device do largest telescopes in world use to collect as much light as possible? — 2 Comments

Leave a Reply

Your email address will not be published. Required fields are marked *