Friends,
Although not variable star astronomy, this is a significant new result in the astronomical community: a team from Caltech just presented convincing theoretical evidence that there should be a ninth planet in our solar system, with predicted mass of ~10 times the mass of the Earth. Their press release is presented here:
http://www.caltech.edu/news/caltech-researchers-find-evidence-real-nint…
Enjoy!
Best wishes - clear skies,
Stella.