... Even more stonishing than the sudden detection of an unknown planet in our outer heliosphere was the calculation of its movement that soon followed. 'We're still trying to figure out a lot about it, but from what we know so far this is a true rogue planet, and it's moving very quickly - whether it was ejected from an existing planetary system or formed on its own, we aren't sure,' said Dr. Sharon Patsauq, one of the three-person discovery team at the Auyuittuq National University on Baffin Island. 'We'll only have a few decades at most to study it remotely, and this is the first tim we've ever had one close enough to do better than far-infared observation. What we need to do urgently is [...]