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Evidence of gravitational waves was first deduced in 1974 through the motion of the double neutron star system PSR B1913+16, in which one of the stars is a pulsar that emits electro-magnetic pulses at radio frequencies at precise, regular intervals as it rotates.
The first indirect evidence for the existence of gravitational waves came in 1974 from the observed orbital decay of the Hulse–Taylor binary pulsar, which matched the decay predicted by general relativity as energy is lost to gravitational radiation.
The gravitational redshift of a light wave as it moves upwards against a gravitational field (caused by the yellow star below). Einstein predicted the gravitational redshift of light from the equivalence principle in 1907, and it was predicted that this effect might be measured in the spectral lines of a white dwarf star , which has a very high ...
The scientists said they first detected the gravitational waves last Sept. 14. "We are really witnessing the opening of a new tool for doing astronomy," MIT astrophysicist Nergis Mavalvala said in ...
The first indirect evidence for the existence of gravitational waves came in 1974 from the observed orbital decay of the Hulse–Taylor binary pulsar, which matched the decay predicted by general relativity as energy is lost to gravitational radiation.
If you were worried that the first confirmed detection of gravitational waves was just a one-off result... don't be. Researchers analyzing LIGO data have verified a second instance (recorded in ...
A 15-year study has revealed the cosmic background noise of gravitational waves echoing across the universe for the first time.
In 2015, the LIGO experiments directly detected gravitational radiation from two colliding black holes, making this the first direct observation of both gravitational waves and black holes. [123] It is believed that neutron star mergers (since detected in 2017) [124] and black hole formation may also create detectable amounts of gravitational ...