Research NewsAstronomy

Flickers From Far-Off Planets

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Science  08 Aug 1997:
Vol. 277, Issue 5327, pp. 765-766
DOI: 10.1126/science.277.5327.765

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An unusual collaboration of telescopes spaced around the Southern Hemisphere has uncovered two strong candidates for planets circling stars thousands of light-years from Earth. The telescopes made the detections by monitoring stars in the Milky Way's crowded central bulge for gravitational lensing: apparent brightenings that could indicate another, dimmer star with a retinue of planets drifting across the line of sight.