Nebula

A nebula is a cloud of interstellar matter, usually made of dust and gas.
Many nebula present problems for starships, interfering with sensors, communications and other ship systems. This can make them a strategic or tactical advantage in starship engagements.
==Types of nebulae==
==Nebulae==
*List of nebulae 
==References==
==External links==
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Category:Astronomical objects 
Category:Nebulae