Missing planet explains solar system's structure
According to this article, the solar system had fifth gas giant orbiting our solar system's star before being hurled into space over billion years ago. Interesting. There's sentence and link deemed worthy to mention:
Quote:The long lost planet may still be out there. In May, astronomers in Japan announced that they had spotted lonely planets wandering through the dark space between star. Another article regarding .
In the second article, they discovered 10 objects "seemed" does not have their host stars. They even made the claim that lonely planets can be very common than star-bounded worlds. How I love astronomy.