Stars and Galaxies in The Universe

Stars and Galaxies in the Universe

11.1

Stars and Galaxies in the Universe

UNIVERSE

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GALAXY

Galaxies

Types of galaxies

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Spiral

Elliptical

Irregular

* Andromeda

* The Milky Way

* Ursa Major

* Messier 87

* Small Magellanic Cloud

* Large Magellanic Cloud

The Milky Way

The Milky Way is a medium large spiral galaxy
Our solar system is located at the edge of one of the spiral arms of the Milky Way
It consists of approximately 200 billion stars and the Sun is one of it

Stars

Characteristics to Classify Stars

Colour
Size
Distance
Brightness
Temperature