Nasaa Space-telescope-science-institute

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The Observation of gravitational waves from the merger of two neutron stars was the scientific 'breakthrough of the year'
News & Analysis

The Observation of gravitational waves from the merger of two neutron stars was the scientific 'breakthrough of the year'

Gravitational waves from the event first arrived at the twin Laser Interferometer Gravitational-wave Observatory (LIGO) detectors, located in the US.

Astronomers use Albert Einstein's Theory of Relativity to weigh mass of distant star
Life

Astronomers use Albert Einstein's Theory of Relativity to weigh mass of distant star

An international team of astronomers has used the Hubble space telescope to measure the mass of a star by employing Albert Einstein's Theory of Relativity.