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