In theory, two merging black holes wouldn’t produce electromagnetic radiation, but two merging neutron stars, another source of gravitational waves that LIGO is sensitive to, should produce them.
99.8% Wrong: NASA’s Fermi scientists are fooling themselves
Ethan Siegel
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Awesome and very informative article, if you mind me asking, why two merging neutron stars produce electromagnetic waves unlike black holes? What’s the main difference ?