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Galaxy

en.wikipedia.org/wiki/Galaxy

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...

Types and Classification of Galaxies

www.astro.cornell.edu/academics/courses/astro201/galaxies/types.htm

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 ...

Galaxies - Astronomy For Kids - KidsAstronomy.com

www.kidsastronomy.com/galaxys.htm

Learn About Galaxies With KidsAstronomy.com. There are billions of ... There are three kinds of Galaxies, Spiral, Elliptical, and Irregular. The only difference ...

Types of Galaxies - University of Arizona

ircamera.as.arizona.edu/NatSci102/NatSci102/lectures/galaxytypes.htm

Key points: Basic types of galaxy - spiral, barred, elliptical, irregular; types vs. distance (how young galaxies differ from those around us). Spiral galaxies are the ...

Types of Galaxies - Astronomy Notes

www.astronomynotes.com/galaxy/s3.htm

Jun 17, 2002 ... Types of Galaxies. Chapter index in this window — — Chapter index in separate window. This material (including images) is copyrighted!

galaxy - Types of galaxies | astronomy | Britannica.com

www.britannica.com/topic/galaxy/Types-of-galaxies

Apr 13, 2016 ... Any of the systems of stars and interstellar matter that make up the universe. Many such assemblages are so enormous that they contain ...

What are the four types of galaxies? | Reference.com

www.reference.com/science/four-types-galaxies-bb254b1ae8f4d269

The four types of galaxies are spiral, barred spiral, elliptical and irregular. Each group spans large variations in size, number of stars, star density and general...

The Different Types of Galaxies - Bob the Alien's Tour of the Solar ...

www.bobthealien.co.uk/galdiff.htm

Different Types of Galaxies. Galaxies come in different shapes and sizes. Usually they look like fried eggs; a flat circle with a bulge in the middle. If we were able ...

Galaxies - Celestial Objects on Sea and Sky

www.seasky.org/celestial-objects/galaxies.html

... 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 ...

Galaxies: Collisions - Space.com

www.space.com/15680-galaxies.html

May 14, 2012 ... Galaxies are composed of stars, dust, and dark matter, all held together by gravity . They come in a ... Galaxies: Collisions, Types & Other Facts.

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Types of Galaxies - Spiral, Elliptical & Irregular Galaxies - Space Facts

space-facts.com

It uses the three main types, and then further breaks them down by specific characteristics ... Spiral galaxies are the most common type in the universe. Our Milky ...

Types of Galaxies | StarDate Online

stardate.org

The most beautiful galaxies are called spirals. The Milky Way is a spiral, and so is the Andromeda galaxy (M31).

Lecture 27: Types of Galaxies

www.astronomy.ohio-state.edu

Feb 12, 2006 ... Classifications, properties, and structures and dynamics.