sábado, 27 de abril de 2013

Einstein's Gravity Theory Passes Toughest Test Yet



A strange stellar pair nearly 7,000 light-years from Earth has provided physicists with a unique cosmic laboratory for studying the nature of gravity. The extremely strong gravity of a massive neutron star in orbit with a companion white dwarf star puts competing theories of gravity to a test more stringent than any available before. Read more.

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