Types of galaxies according to the Hubble classification ... Galaxies come in three main types: ellipticals, spirals, and ...
The Yerkes scheme uses the spectra of stars in the galaxy; the shape, real and apparent; and ... Spectral Type, Explanation.
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 ...
It uses the three main types, and then further breaks them down by specific characteristics (openness of spirals, size and extent of bars, size of galactic bulges).
Apr 24, 2017 ... Astronomers group galaxies by shape, and although there are many different types of galaxies, most fall into one of three categories: spiral, ...
galaxy - Types of galaxies: Almost all current systems of galaxy classification ... of galaxy images on photographic plates, galaxies are divided into three general.
In our universe are four identified types of galaxies. .... Spiral galaxies are easily identified by observing three components common to all spiral galaxies. A spiral ...
Jun 17, 2002 ... Edwin Hubble divided the galaxies into three basic groups: ellipticals, spirals, and irregulars. The ellipticals are smooth and round or elliptical, ...
The Milky Way is a spiral, and so is the Andromeda galaxy (M31). ... star-gobbling monsters that are as much as three billion times as massive as the Sun.