Quasar's are some of the biggest, brightest things in the universe! A supermassive black hole emitting a vast accretion disc of light, they can dominate the night sky. In this video, Unveiled asks what would happen if one suddenly appeared in the Milky Way galaxy? Or even in our own solar system?? What would we see, and could we survive it?

The Earth is bombarded with cosmic rays every single day... but some are more powerful than others! For this video, Unveiled investigates the incredible true story behind the highest-energy cosmic ray we've ever seen! When it was discovered in the 1990s, the Oh-My-God Particle shattered what we thought we knew about physics... but scientists are now starting to understand exactly where in space it came from...