6Foot2 Posted March 6, 2019 Posted March 6, 2019 Link: A lot of the periodic table is a result of neutron stars colliding [The Economist] ...In the wake of the gravitational wave, optical telescopes looked to its source. That let astronomers collect spectra from the explosion and thus determine which elements were created. Kilonova gw170917, as the event was called, ejected material equivalent to 5% of the sun’s mass. Among much else, this ejection produced gold (around ten Earth masses’ worth) and platinum (50 Earth masses’ worth)...
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