Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside our Sun and planets around 4.5 billion years ago. But every now and then, something far stranger streaks across the sky; an interstellar nomad, either forged in alien star systems or eternally drifting unclaimed through the void. Continue Reading Category:Space, Science Tags:Comets, interstellar space, Cosmic, Universe, Solar System
