A galaxy that has gone through many collisions and mergers must ...

[viki]

A galaxy that has gone through many collisions and mergers must be a(n) _______________ galaxy.
 
  Fill in the blank(s) with correct word

Question 2

Why is magnifying power the least important of the three powers of a telescope?
 
  What will be an ideal response?

[asware1]

Answer to Question 1

elliptical

Answer to Question 2

Because the amount of detail that a telescope can discern is limited generally either by its resolving power or the seeing conditions, very high magnification does not necessarily show more detail. A telescope's power is in its diameter, not its magnification, which can be adjusted by changing out an eyepiece.