Comment This is how Earth 2.0 will be found. (Score 1) 174
http://kepler.nasa.gov/
After Kepler launches we will know about an additional 1-2k planets. 4-6 years after it launches we should know about at least one Earth 2.0.
"The number of Unix installations has grown to 10, with more expected." -- The Unix Programmer's Manual, 2nd Edition, June, 1972