Author Question: Currently, the largest optical telescope mirrors have a diameter of A) 1 m. B) 2 m. C) 5 m. D) ... (Read 87 times)

CQXA · **on:** Jul 27, 2018

Currently, the largest optical telescope mirrors have a diameter of

A) 1 m.
B) 2 m.
C) 5 m.
D) 10 m.
E) 100 m.

Question 2

Why do Saturn's rings exist?

What will be an ideal response?

pikon · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

D

Answer to Question 2

The material in the rings lies inside Saturn's Roche limit, which prevents the debris from condensing into a moon.