By: Flavio Gutierrez. What is a Galaxy? Massive Consists of: Stars Dust Dark matter Contains Planets Stars Moon en.wikipedia.org.

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Presentation transcript:

By: Flavio Gutierrez

What is a Galaxy? Massive Consists of: Stars Dust Dark matter Contains Planets Stars Moon en.wikipedia.org

Big Bang Theory Cosmological Model 13.8 billion years ago How the universe started en.wikipedia.org

Types of Galaxies Elliptical Spiral Irregular Barred Spiral Hubble Sequence en.wikipedia.org

Elliptical Galaxy Ellipsoidal profile Little interstellar matter Smaller globular cluster Largest Galaxy Examples: Maffei 1 Centaurus A (NGC 5128) M32 M49 M59 M60 (NGC 4649) M87 (NGC 4486) M90 M105 (NGC 3379) en.wikipedia.org

Spiral Galaxy Very visible stars Most beautiful Design is spiral Examples: Milky Way Andromeda Whirlpool Triangulum Sunflower Pinwheel en.wikipedia.org

Irregular Galaxy No shape Not in any class of Hubble sequence Examples: Magellanic Cloud galaxy en.wikipedia.org

Barred Spiral Galaxy Is a spiral galaxy with central bar shape Compose of stars Examples are: NGC 1300 Sculptor Galaxy M58 M91 M95 M109 NGC 1365 NGC 2217 Magellanic Clouds en.wikipedia.org

Lists of Galaxies There are trillions of galaxies in the world Milky Way is one the galaxies en.wikipedia.org

References A_(captured_by_the_Hubble_Space_Telescope).jpg barred-spiral-galaxy-NGC1300.jpg png