A MYSTERY mega planet dubbed the NEMESIS GIANT is on a collision course with Earth, according to a staggering new theory. Incredible footage has appeared online of what truth seekers believe is unknown world in our solar system. The huge sphere – which resembles the Death Star in the sci-fi blockbuster Star Wars – appears in the sky in daylight and at night, according to the videos. Space boffs claim the giant rock is related to Planet X – or Nibiru – a heavenly body believed to come close to the planet in April. The Nemesis Giant has been "spotted" across the planet – including America, Italy, Mexico and Tenerife. Dill Martin, who has been analysing footage of apparent giant sightings, claims the planet is becoming more visible to the human eye in time for its approach next month. He describes it as a "dark star or dwarf brown" that is being orbited by Nibiru and other planets, including Earth. He wildly claims the existence of extraterrestrial life is being hidden from humanity by