In early February 2009, the CoRoT satellite discovered the planet CoRoT-7b, measuring just two Earth radii in size. Following a series of elaborate and high-precision measurements conducted by the European Southern Observatory (ESO), it has now proven possible to determine the mass of this extra-solar planet. CoRoT-7b is five times heavier than our home planet and has approximately the same density. CoRoT-7b therefore definitively belongs to the class of what are known as 'Super Earths'. Scientists from the German Aerospace Center (DLR) have a substantial role to play in this search for exoplanets using the CoRoT space telescope.
http://www.dlr.de/en/desktopdefault.aspx/tabid-1/86_read-19776/
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