A spiral galaxy is a certain kind of galaxy originally described by Edwin Hubble in
his 1936 work The Realm of the Nebulae and, as such, forms part of the ...
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
Dec 16, 2011 ... Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space
Telescope image of the nearby spiral galaxy M74 is an iconic ...
Spiral galaxies may remind you of a pinwheel. They are rotating disks of mostly
hydrogen gas, dust and stars. Through a telescope or binoculars, the bright ...
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 ...
Spiral galaxies get their name by the fact that they have a spiral or whirl shape.
The "arms" of the spiral are the areas where stars are formed. These arms appear
Spiral galaxy definition, a galaxy having a spiral structure. See more.
A galaxy consisting of a rotating flattened disk with a central bulge made up
mostly of old stars, from which extend two or more spiral arms made up mostly of
Mar 18, 2016 ... Astronomers have identified 53 “super spirals” — spiral galaxies that are huge
and incredibly luminous — as part of a project exploring ...
Mar 18, 2016 ... Astronomers have discovered an entirely new breed of super massive galaxies
that had previously been hiding in plain sight among spiral ...