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microlensing |
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microlensing [′mī·krō‚lenz·iŋ] (astronomy) A phenomenon in which a foreground star acts as a gravitational lens when it happens to pass in front of a background star, causing the background starlight to brighten and bend through a ring-shaped region. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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