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Gravitational microlensing
Introduction References & Edit History Related Topics
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Diagram illustrating gravitational microlensing with three scenarios: a star's light passing by a lensing object, showing how the lens bends light toward Earth and creates a brighter or distorted view of the star as seen from Earth. The opening slide to the interactive. An illustration of a telescope under a starry sky.
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Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
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Gravitational microlensing: References & Edit History

Article Contributors

Primary Contributors

  • Kenneth Brecher
    Professor of Astronomy and Physics; Director, Science and Mathematics Education Center, Boston University.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Article title updated for style. Nov 09, 2026
Illustration of gravitational microlensing added. Jun 25, 2012
Add new Web site: Cornell Astronomy - Gravitational microlensing. Jul 19, 2011
Add new Web site: How Stuff Works - Science - In Search of Other Worlds. Jul 19, 2011
Number of discovered extrasolar planets updated from "eight" to "more than 20." Information added about discovery of free-floating planets. May 19, 2011
New article added. Apr 08, 2009
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