Watch on HDtoday. Is it the end of the world? Something more? Or nothing at all? On the surface it marks the end of the ancient Mayan long-count calendar and the Winter Solstice. But there's much more to it! It's also a very rare galactic eclipse which might also be timed with the weakening of the Earth's magnetic poles; an increase in the sun's solar flares; a mysterious 'Planet X' hurtling toward earth; and other ancient prophecies which point to something BIG happening on that very same day!