On December 19, it will pass about 270 million kilometers from Earth, almost 700 times the average distance between our planet and the moon. Astronomers believe that for a few days the most powerful telescopes will be able to observe it to better…

On December 19, it will pass about 270 million kilometers from Earth, almost 700 times the average distance between our planet and the moon. Astronomers believe that for a few days the most powerful telescopes will be able to observe it to better…