First detection of Earth-sized planet?
Ross, H. 2000.  Facts for Faith (4):29. CELD ID 5798

A team of 41 astronomers from Australia, Japan, New Zealand, and the United States took advantage of a naturally occurring telescope to image a small planet orbiting a star somewhere between us and the Galactic Bulge (the dense concentration of stars that exists at the core of Milky Way galaxy.