100 billion planets in our galaxy

This story can be found at a variety of places, and was also sent in by member Gary Gilligan ( www.sciencenews.org/view/generic/id/337517/title/Planets_as_common_as_st…) but can also be found at www.physorg.com/print245572422.html where it claims the Milky Way galaxy contains a minimum of 100 billion planets – all based on statistical methodology as a result of the detection of three exoplanets by microlensing. Planets are to faint to be seen by telescopes – see also www.sciencedaily.com/releases/2012/01/120111133530.htm and Scientific American, where we have the title, A Plenitude of Planets – see www.scientificamerican.com/article.cfm?id=exoplanet-census-lensing&print…