4. The different types of
Galaxies
• Spiral- Spiral galaxies resemble pinwheels or flat disks of stars with
nuclei (bright spots) in the center. Spirals wrap around these bright spots.
• Elliptical- Elliptical galaxies are football shaped, fat in the center
and tapered toward the ends.
• Irregular- Irregular galaxies have no visible pattern. These are the
smallest of the galaxies and may contain as few as 1 million stars.
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