Answer:
The type of galaxy that is described as revolving around a single point and has spinning arms of stars which extend from the center is;
Spiral
Step-by-step explanation:
A spiral galaxy which is the most common type of galaxy is a class of Hubble sequence of galaxies which was described in the 1936 work The Realm of the Nebulae by Edwin Hubble
Spiral galaxies are therefore have a flat disk shape such that the stars, the dusts, and the gas that make up the galaxy cluster in several radially spreading spiral arms that come together in the galaxy center