News tagged with gravitational lens

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Image: Gravitational lensing in galaxy YGKOW G1

(Phys.org) —In this new Hubble image two objects are clearly visible, shining brightly. When they were first discovered in 1979, they were thought to be separate objects—however, astronomers soon realized ...

dateJan 27, 2014 in Astronomy
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A space-time magnifying glass

(Phys.org) —Bright arcs are smeared around the heart of galaxy cluster Abell S1077 in this image taken by the NASA/ESA Hubble space telescope. The arcs are stretched images of distant galaxies distorted ...

dateMay 15, 2013 in Astronomy
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Distorting the lens

(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational ...

dateFeb 09, 2012 in Astronomy
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Hubble zooms in on a magnified galaxy

(PhysOrg.com) -- Thanks to the presence of a natural "zoom lens" in space, NASA's Hubble Space Telescope got a uniquely close-up look at the brightest "magnified" galaxy yet discovered.

dateFeb 02, 2012 in Astronomy
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A serendipitous gravitational lens

(PhysOrg.com) -- The path traveled by a light beam will bend in the presence of matter. This remarkable prediction, reached by Einstein in his theory of general relativity, was confirmed by observations of ...

dateNov 21, 2011 in Astronomy
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The warped ways of cosmic light

Albert Einstein predicted them, modern giant telescopes detected them – and Klaus Dolag simulates them on a computer: gravitational lenses. The academic staff member at the Max Planck Institute for Astrophysics ...

dateMar 02, 2011 in Astronomy
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