32 Planets Discovered Outside our Solar System

The European Southern Observatory/Center for Astrophysics announced the existence of the exoplanets, planets outside our solar system. While the use of a high-precision instrument installed at a Chilean telescope it allowed the observatory to detect movements as small as 3.5 km/hr (2.1 mph), a slow walking pace. The tally of new exoplanets found by HARPS is now at 75, out of about 400 known exoplanets. An important find for the study of planet formation was that three exoplanets were around stars that are metal-deficient. Metal-deficient stars are thought to be less favored for planet formation; however, planets the size of several Jupiters were found orbiting such deficient stars.


http://www.cnn.com/2009/TECH/science/10/19/space.new.planets/index.html