- Spiral galaxies look like rotating pinwheels with a center of concentrated stars.
- Barred spirals are a type of spiral galaxy. The Milky Way is a barred spiral.
- The average age of a spiral galaxy is between 10 and 13.6 billion years old.
- Spiral glaxies usally range between 5,000 and 300,000 light years.
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Andromeda Galaxy is the closest spiral to the milky way.
located near the constellation Cassiopeia.