A spiral galaxy has the shape of a pinwheel. Our solar system is in a spiral galaxy that we call the Milky Way.
The Pinwheel Galaxy (Messier 101 or NGC 5457)
the pinwheel galaxy is also known as Messier 101 or NGC 5457
A Spiral Galaxy or a Barred Spiral. These are two of the main types of Galaxies.
The "pinwheel" shape is usually called "spiral".
The Pinwheel Galaxy was created on 2003-07-15.
An hourglass is another example of a shape galaxies may form in.
Do you want the name of a specific one or just something that sounds more intellectual than "You know, those PINWHEEL shaped ones"? The correct terminology is spiral galaxy. As for an example, the Milky Way is a barred spiral galaxy.
An irregular galaxy is a galaxy that doesn't have a specific shape like a pinwheel or an elliptical galaxy.
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A "spiral" galaxy.
spiral
The Pinwheel Galaxy (also known as Messier 101 or NGC 5457) is about 27 million light years away and can be found in the constellation Ursa Major.See related link for a star map.