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Nature 417, 905-906 (27 June 2002) | doi:10.1038/417905a
nature jobs
Lectureship in Structural Biology
- University of Southampton
- Southampton, Hampshire, SO16 7PX, UK
Director
- The National Center for Complementary and Alternative Medicine (NCCAM)
- Bethesda, MD
Astronomy: Through a lens brightly
Edwin L. Turner
Abstract
Gravitational lensing of light from some of the most distant objects known could be more widespread than had been thought. If so, it could be good — and bad — news for cosmologists.
A massive object, such as a galaxy, that happens to lie near our line of sight from Earth to a distant astronomical source can gravitationally deflect the path of light from that source. As a result, the image that reaches us may be displaced, distorted, magnified and multiplied.
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