A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar
gas, dust, and ..... Galaxies come in three main types: ellipticals, spirals, and
irregulars. A slightly more exte...
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 ...
Learn About Galaxies With KidsAstronomy.com. There are billions of ... There are
three kinds of Galaxies, Spiral, Elliptical, and Irregular. The only difference ...
Key points: Basic types of galaxy - spiral, barred, elliptical, irregular; types vs.
distance (how young galaxies differ from those around us). Spiral galaxies are
Spectral Types. - H-R Diagram ... The Hubble Tuning Fork diagram puts galaxies
into categories, and each of the categories corresponds to a different type of
galaxy. ... Elliptical galaxies, such as M87 (left), have very little gas and dust.
... gas held together by gravity. They vary greatly in size and shape. Most of the
objects we know of in space are contained within galaxies. ... Types of Galaxies ...
Jun 17, 2002 ... Types of Galaxies. Chapter index in this window — — Chapter index in separate
window. This material (including images) is copyrighted!
Feb 12, 2006 ... Classifications, properties, and structures and dynamics.
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Aug 18, 2013 ... It's a science project. Created in iMovies. i am not claiming any of the music or
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Sep 12, 2014 ... Galaxies are huge collections of billions of stars. There are three basic types of
galaxies - spiral, elliptical and irregular. The Milky Way is ...