<span>What astronomers call a system that is composed of more than two stars is either a multiple star system, or a Nazil's system. Most of these systems have three stars that seem relatively close from Earth's point of view. Here are some examples of such systems: Sirius, Alpha Centauri, Mizar, Castor, AR Cassiopeaie, etc.</span>
They are what keep the environment more safe. Without funding to these people crime rates would significantly increase and would cause more danger in the environments such as roads not being properly maintained.