Scientists’ collection of gravitational waves just got a lot bigger
Scientists added 4 new sets of spacetime ripples to their inventory
![black holes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/12/120418_EC_LIGO_feat.jpg?fit=860%2C460&ssl=1)
COUNT ’EM Physicists have now spotted gravitational waves from 10 black hole collisions (two black holes illustrated) and one neutron star merger.
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