What are the differences between Elliptical, Spiral, and Irregular Galaxies?
Their shape.
Elliptical galaxies have an eliptical form.
Our galaxy and other spiral galaxies have arms that give them a spiral appearance.
All the other galaxies that do not fall into the first two categories are called irregular galaxies. (Mostly they have a blobby shape)
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Elliptical galaxies are smooth and featureless, with an ellipsoidal shape. Spiral galaxies have a central bulge and spiral arms. Irregular galaxies lack a distinct structure and exhibit irregular shapes.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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