News tagged with gravity

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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 ...

May 15, 2013 5 / 5 (5) 5

Why won't the supernova explode?

(Phys.org) -- Somewhere in the Milky Way, a massive old star is about to die a spectacular death. As its nuclear fuel runs out, the star begins to collapse under its own tremendous weight. Crushing pressure ...

Jun 18, 2012 4.6 / 5 (11) 16

The great gravity showdown

During the week of February 6-10, 2012, some extremely weighty matters were in progress at NIST’s non-magnetic facility, where PML researchers hosted an international gravimeter shoot-out with potentially ...

Feb 28, 2012 5 / 5 (6) 3