A plot of the masses/periods of the first 150 or so extrasolar planets to be discovered. The solar planets have
been added for comparison. Current detection techniques are still some way from finding a planet of earth-like mass
in an earth-like orbit.
Exoplanet data from the Extrasolar Planets Encyclopedia. This
Encyclopedia excludes most objects with masses above 13 times that of Jupiter as these objects might be Brown Dwarves rather