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How many types of galaxies are there in the Hubble Diagram?
2
4
3
5
Elliptical galaxies are:
young
teenaged
old
Spiral galaxies are:
A galaxy that isn't a spiral or an elliptical is called a(n):
irregular galaxy
nebula galaxy
unusual galaxy
weird galaxy
What color are young galaxies and stars?
purple
green
blue
red
What color are old galaxies and stars?
One galaxy can go through all the main galaxy types (over time) during its lifetime.
