Author Question: Spiral galaxies are mostly found ____. a. in poor clusters where their disk structure will not be ... (Read 69 times)

segrsyd · **on:** Jul 27, 2018

Spiral galaxies are mostly found ____.

a. in poor clusters where their disk structure will not be disrupted
b. isolated in space with only small dwarf galaxies nearby
c. in the center of rich clusters where tidal forces can support their arm structure
d. in clusters with hot intergalactic gas helping support star formation
e. orbiting giant elliptical galaxies in a galactic binary system

Question 2

A lens called the _______________ is typically used to magnify the image and make it convenient to view distant objects.

Fill in the blank(s) with correct word