Planet Nine estimated mass of ten Earths, a diameter two to four times that of Earth, and an elongated orbit lasting 10,000 - 20,000 years. Batygin and Brown suggest that Planet Nine could be the core of a primordial giant planet that was ejected from its original orbit by Jupiter during the genesis of the Solar System. Others have proposed that the planet was captured from another star, is a captured rogue planet, or that it formed on a distant orbit and was pulled into an eccentric orbit by a passing star. As of 2018, efforts have failed to directly observe Planet
Another Planet / Voyager was working on one song with Swire, he decided to face his fear by travelling home and returning with his father's copy, which they then sampled for the song. One of the samples they used contained a line spoken by Burton, "...and I wandered through the weird and lurid landscape of another planet", which later gave the song its name. "Another Planet / Voyager" was the first single by Pendulum to receive widespread recognition, and as such was subject to critical attention. One review of the single describes "Voyager" as "a really well done piece of dancefloor drum and bass