It too may have caused a stir to some religious fanatics who may not be willing to accept the face of reality. They say the US has been spending a humongous (not just huge) deal to know what is behind this, in like manner they are spending in the cancer research program in which these religious fanatics still believe cancer is not curable. Russia and Japan has been on top of its study on Planet X.
Sounds intriguing.
http://xfacts.com/updates/planetx2008.html