As far as sciense goes there could be trillons maybe even quadrilllions!
It varies.About 50% of all star system have a single star, the rest are usually binary stars, though there are multiple > 2 star systems.
90%.
A triple star system.
Scientists estimate that there are around 58 billion star systems in our Galaxy.
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The Star Wars galaxy literally contains millions of inhabited systems.
If you counted 1 number per second, it would take 5700 years to count all 180 billion star systems in the Star Wars galaxy.
the star is yellow
Star systems can vary widely in the number of stars they contain. A single star system has just one star (like our Solar System), while binary systems have two stars. More complex systems can include multiple stars, such as trinary systems with three stars or even more. In general, the order from fewest to most stars can be summarized as single star systems, binary systems, trinary systems, and then higher multiplicity systems, such as quadruple and higher-order systems.
On average, it is believed that about 55% of all stars are in multiple star systems.
binary star systems
Yes. It's impossible to list all 180 billion star systems in the Star Wars galaxy.