Nebula

**Nebula**
===A nebula consists of interstellar gas, dust and plasma. It is seen as a vary large cloud of colour in the sky. Though you can only see them cleary in a location where there isn't much light affecting your view. Nebula are create by either a creation a a new star or destruction of an old. Nebula are generally classified by according to the rate at which light is emitted from it. ===

The most common types of nebula are called;
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 * Planetary Nebulas
 * Diffuse Nebulas