Gravitational Lens Effect: An Observational Test

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Science  07 Jan 1966:
Vol. 151, Issue 3706, pp. 73-74
DOI: 10.1126/science.151.3706.73


The large proper motion of the nearby star 40 Eridani-A will pass a distant star in 1988. It should be possible to observe the gravitational lens effect of this eclipse by existing photoelectric methods.