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Galaxy - Wikipedia

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

Some are very small with only a few million stars. While others could have as many as 400 billion stars, or even more. There are three kinds of Galaxies, Spiral,  ...

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 ...

galaxy - Types of galaxies | astronomy | Britannica.com

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

Ellipticals contain neither interstellar dust nor bright stars of spectral types O and B. .... Hubble recognized these two types of irregular galaxies, Irr I and Irr II.

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 ...

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!

Galaxies, Galaxy Information, Galaxy Facts, News, Photos ... - Science

science.nationalgeographic.com/science/space/universe/galaxies-article/

Get information, facts, photos, news, videos, and more about galaxies from National ... Galaxies are classified into three main types: spiral galaxies, elliptical  ...

Amazing Space- Graphic Organizer: Galaxy types compared

amazing-space.stsci.edu/resources/organizers/galaxy.php.p=Teaching tools@,eds,tools,>Graphic Organizers@,eds,tools,type,organizers.php>Overview: Galaxy type organizer@,eds,overviews,organizers,galaxy.php&a=,eds

Elliptical galaxies. Irregular galaxies. Top and side views of spiral galaxies, An elliptical galaxy, An irregular galaxy. Huge; contain stars, gas, and dust, Huge; ...

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...

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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).

Types of Galaxies | Galaxy Zoo

blog.galaxyzoo.org

May 12, 2010 ... ... the Universe - they made it much larger! This time I'm going to quickly outline the basic types of galaxies and the kind of sizes and distances…