Do we really have 2 stars in our solar system?

In our solar system, there is only one star that we know of - the sun! Our solar system is very unique in that is only has one star. Most other solar systems have at least two stars. These are called binary systems. read more

No, we only have one star in our solar system. Our very own sun. The next closest star is Alpha Centauri which is 4.37 light years away. For all practical purposes the solar system does not extend past the Oort cloud, which extends to about 1 light year from the sun. read more

The theory of a second sun in our solar system is not as bizarre as it might sound. Binary star systems (two stars orbiting the same center of mass) are quite common. In fact, Alpha Centauri, our solar system’s nearest neighbor, is a binary system. read more

Consider: If there really were two suns in our solar system, it would be something we would be able to see EVERY SINGLE DAY. It wouldn’t be something captured just once on a video. Even if the second star had an elliptical orbit that took it far away from earth most of the time, a star like the sun would still be brighter than the full moon in our sky as far away as Pluto. read more