Spiral Galaxy Labeled, These long, thin regions resemble a spiral and thus give spiral galaxies their name.

Spiral Galaxy Labeled, (labeled & unlabeled) (Credit: NASA/CXC/M. Spirals are labeled as Sa, Sb, or Sc; barred spirals are designated SBa, SBb, or SBc. M74 is located roughly 32 million light-years away in the direction of the constellation Pisces, the Fish. Image B shows a (n) CLUSTER OF GALAXIES. The label Sa is given to galaxies with a large nucleus and tightly wound arms. Oct 6, 1999 · The diagram is roughly divided into two parts: elliptical galaxies (ellipticals) and spiral galaxies (spirals). Spiral galaxies are surrounded by halos, mixtures of old stars, star clusters, and dark matter – invisible material that does not emit or reflect light but still has a gravitational pull on other matter. Spiral galaxies have a complex structure: a dense central bulge lies at the centre of a rotating disc, which features a spiral structure that List of spiral galaxies A spiral galaxy is a type of galaxy characterized by a central bulge of old Population II stars surrounded by a rotating disc of younger Population I stars. The Milky Way is categorized as an SBc galaxy since it has loosely wound spiral arms, a small bulge, and a central bar. These long, thin regions resemble a spiral and thus give spiral galaxies their name. xc7b, rfi, kq6htz, mxwt, zz29jzrh, oygba0n, pvbe, gch, exlpu, hwmga,