A spiral galaxy is a type of galaxy originally described by Edwin Hubble in his
1936 work The Realm of the Nebulae and, as such, forms part of the Hubble ...
The most common type of galaxy is called a "spiral galaxy." Not surprisingly,
spiral galaxies look like spirals, with long arms winding toward a bright bulge at
Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space
Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the ...
Nov 22, 2016 ... Spiral galaxy NGC 3274 is a relatively faint galaxy located over 20 million light-
years away in the constellation of Leo (The Lion).
When Hubble developed his classification system for galaxies based on their
appearance in optical light, he divided the spirals into those in which the spiral
Before delving into an answer, it is important to note that the spiral arms of
galaxies are not fixed, solid objects; rather, they are patterns of bright stars and
Spirals are characterized by circular symmetry, a bright nucleus surrounded by a
thin outer disk, and a superimposed spiral structure. They are divided into two ...
A composite image of the Messier 81 (M81) galaxy shows what astronomers call
a "grand design" spiral galaxy, where each of its arms curls all the way down ...
spiral pattern exemplified by spiral galaxy NGC 3982 on the front of the
lithograph is the first to ... spiral galaxies show considerable variation in their
Apr 18, 2000 ... There are three main types of galaxies: Elliptical, Spiral, and Irregular. Two of
these three types are further divided and classified into a system ...