Question

question 7
you find a galaxy with a red tint, that has little gas and dust, it is most likely a:
spiral
irregular
elliptical
question 8

Explanation:

Elliptical galaxies have old, red stars (red tint) and very little gas/dust (no ongoing star formation). Spiral galaxies have more gas/dust and blue stars in arms; irregular galaxies lack structure and often have gas/dust.

Answer:

Elliptical