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, ...
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 ...
galaxy - Types of galaxies: Almost all current systems of galaxy classification ... of galaxy images on photographic plates, galaxies are divided into three general.
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.
Key points: Basic types of galaxy - spiral, barred, elliptical, irregular; types vs. ... Galaxy shapes have 3 broad categories, based on the role of the bulge (the ...